the secret of us kdrama

I trust you because I've known you for ten years longer than they have.

Fred Wood, a retired general, takes a job as a construction site security guard while searching for Mona's real mother. When Mona uncovers a group of thieves on the site, she inadvertently wakes Fred, who scolds her in return. During a routine inspection, Mona realizes that Sally Jepsen is her mother, though Fred remains skeptical. Meanwhile, Paul Jepsen pressures Sally into marrying Tate Ward to benefit her ailing grandfather. A mix-up leads them to believe Fred and Mona are Sally's husband and daughter from seven years ago. After chasing off the intruders, Mona insists on following Sally when she tries to leave. Fred reluctantly agrees and later helps save Hugh Jepsen's life. To escape a forced marriage, Sally offers Fred a large sum to pretend to be her husband. At the banquet, Fred steps in when Paul bullies Mona, saving her from further harm in a fit of rage.

Because their fates took them down different paths, the male and female leads are relentlessly pursued by the Sky League. When the female lead is critically wounded, the male lead sacrifices his life to save hers. Reincarnated into a new life, he ultimately ascends to become the Lord of Fairr Hall.

Twenty years ago, a sudden flood swept through Reid Village, and Daphne Frost's husband, Alfie Reid, disappeared in the raging waters while trying to fight the disaster, leaving her behind with their two children. Since then, Daphne has struggled to raise them on her own, enduring countless hardships over the years. Now, twenty years later, her children have grown up, but instead of gratitude, they shockingly try to force their mother into marrying a greedy, lecherous brute. Her son is only interested in money, while her daughter seeks an internship through the brute's connections. Both siblings relentlessly pressure their mother to go through with the wedding. Yet, deep in her heart, Daphne remains loyal to her missing husband and refuses to marry.

He is Hades, master of Hades's Hall, the organization that ruled over the world. He had the millions of people worshipping the ground he walked! When he learned that his wife was being humiliated, he marched back to his home country while burning with fury. Those who stepped on his tail must die!

In a case of switched identities, a false heiress replaced the true heiress to enter a wealthy family. However, the wealthy father also brought the true heiress back. When would the truth about the switched identities be revealed, and how would the true heiress protect herself?

While working part-time as a delivery girl, Trudy accidentally stumbled upon her boyfriend and her sister registering for marriage. Heartbroken, she rushed into a flash marriage with Henry, an Ubor driver. Henry agreed to marry Trudy to appease his mother's pressure for him to settle down, but he had been holding onto a promise he made five years ago to the girl who saved his life. In their marriage, Henry hid his true identity, but as they spent time together, he gradually became attracted to Trudy and realized his feelings for her. At the same time, under Henry's care, Trudy's heart began to open up to him, and she unexpectedly found herself falling for him. Just as Trudy worked hard to earn money and nurture their marriage, she discovered a shocking secret: this handsome Ubor driver was actually a billionaire CEO! Even more astonishing, Trudy was the girl from five years ago!

Harry Grimes steps down as Chairman of a billion-dollar company to support his wife Gwen. While backing her business behind the scenes, he also takes care of everything at home. But to his heartbreak, Gwen takes both him and their daughter Coco for granted. She neglects Coco and fails to fulfill duties of a mother. Her relationship with her sworn brother grows increasingly inappropriate.After countless disappointments, Harry finally makes the painful decision to end their marriage.

Twenty-three years ago, Jane Potter swapped her newborn daughter for a baby boy to secure her place in the wealthy Stark family. She branded a family emblem on her daughter's shoulder, hoping they would reunite one day. Now, that boy—Matt Stark—has inherited the Stark empire, while the rightful heiress, Willow Kent, has struggled to survive. Desperate to save her ailing adoptive mother, she works at a nightclub, where fate takes an unexpected turn. She mistakes Matt for a criminal and unintentionally leaves him injured. From that moment, their lives become intertwined in ways neither could have imagined.

After graduating high school, Christi takes a job at a club to make ends meet. A one-night stand with Carlos Johnson leaves her unexpectedly pregnant, and she raises her daughter on her own. When her daughter gets injured and is taken to the hospital, Carlos's mother—a respected medical professor—recognizes their family heirloom. This leads Carlos to his child, and he steps in to care for both Christi and their daughter. As Christi faces false accusations and struggles with her complicated family ties, Carlos stays by her side, protecting her through it all.

After Jim Yates, the leader of the Dragon Clan, conquers the underworld, he hides his identity and runs a barbecue restaurant. At the same time, Yvonne Lane, the CEO of Lane Group, with whom he had a one-night-stand five years ago, was being bullied by Matthew Todd, the second son of the Todd family. One day, she arrives at Jim's barbecue restaurant with her twin children, Daryl and Quincy, and is saved by him. Jim recognizes Yvonne at first glance and suspects he is the father of her two children. The two children quickly warm to Jim and wish he could be their father. Meanwhile, in an effort to stifle the Todd family and Lane Group, Yvonne decides to marry Jim. Jim summons his subordinate, Nadia Yates, to run a DNA test, which confirms the two children are indeed his. In light of this revelation, Jim vows to protect his new family. At the banquet, Jim stands up for Yvonne and fights the Todds. The Todds call upon Simon Gray, the chief officer of the Dragon Clan, for reinforcements. Jim defeats him, and through his subtle manipulation, has Nadia promise a favor to Yvonne in the name of the Dragon Clan. Yvonne uses this favor to become the chairman of Lane Group. As Jim Yates continues to support and protect her and the children, their relationship grows even deeper.

Sally Yale, a billionaire's daughter, used her family's influence to force Trent Hunt into a loveless marriage with her for years. After her family went bankrupt, she was kicked out by her in-laws, who were eager for grandchildren. Before leaving, Sally realized she was pregnant. However, the doctor informed her that her eldest son's life was at stake. Helplessly, she left him with Trent and ran away with the other nine children. Five years later, she returned to search for her eldest son. Suddenly, Trent obsessively pursued her. Finally, with the help of their adorable children, the two recognized their true feelings and reunited.

Luke Moore, a business prodigy, made a name for himself when he was 18 years old and returned to his country, founding Moor Corp at the age of 21. However, after being betrayed by his family, he conceals his identity and works as a food delivery rider. When he learns that his girlfriend has cheated on him, he finds himself being pursued. Fortunately, Lena King, someone he met during his childhood, rescues him. Because of the promise they made when they were young, she pressures him to marry her. With Lena's protection and companionship, Luke gradually leaves the past behind and embraces the future with her.

Katy Wright is betrayed by her stepsister, Darcy Wright, while desperately searching for her missing mother. In a twist of fate, she ends up spending the night with Peter Howard—and later gives birth to fraternal twins.Six years pass. Katy returns, children in tow, ready to take her revenge. She crosses paths with Peter again, but neither of them realizes who the other truly is.As secrets unravel and the truth comes to light, Peter discovers his own father's treasonous schemes. In the end, justice is served, and the long-separated family is finally reunited.

Maya Thornton, the Marquis Valen, is reborn six years after her death. Six years ago,moments after giving birth, she was murdered by her husband and his mistress while lying weak and vulnerable. Now, she wakes in the body of Talia York, a delicate and vain daughter of a military household. The original Talia has betrayed her fiancé, Tristan Wren, the Deputy Commander of the Regal Army, and become entangled with a frivolous young man. With her soul now in Talia's body, Maya secretly follows Tristan to the military camp while disguising herself as a man. There, on the very training grounds she once commanded in her past life, she throws herself into grueling training. She is determined to reclaim her martial prowess and returns to the capital to take her revenge and once again protect the realm.

Ruby and Steven fell in love in high school but separated due to family feuds. Ruby initiated the breakup; Steven agreed, believing she'd discovered his father's role in her father's death. Afterward, Steven changed his surname to Gibson, founded Gibson Tech, while Ruby became a freelance writer. Though never contacting her, Steven monitored Ruby's life, learning of her workplace harassment resignation and continued single status. Now successful, he orchestrates her business trip to the city of Syntherra. They reunite, but Ruby mistakenly thinks he's married and withdraws. Even after clearing this misunderstanding, unresolved family conflicts keep her distant. Steven persists, proposing cohabitation without publicity and dating without marriage discussions. Still deeply in love, Ruby succumbs to his gentle persistence, agreeing to a short-term relationship.

Regina took over her father's group, aiming to expand and restore its glory. Unexpectedly, her mother was injured, and her brother faced humiliation on the way to the hospital by a reckless luxury car owner. Enraged, Regina confronted the offenders, only to discover a connection to internal group members.

Chris Packett and his family have crossed over from the Immortal Realms to the modern world. His mother, once an Archlord in the Immortal Realms, has become the mayor of a city. His father, formerly a master of alchemy, is now passionate about technological research. His elder sister has become an actress, specializing in fantasy dramas with an uncanny sense of realism.Chris is the most laid-back of them all. He was once dragged out of his idle life by his mother to save the country during a crisis. Eventually, she forces him to join a tech company, posing as an ordinary employee to protect the CEO lady.However, things take a turn when Chris accidentally adds the CEO, Leona, to the family group chat. Leona believes Chris is just a regular guy and assumes his family's messages are full of exaggerations. In the end, she discovers that every member of Chris's family is a hidden powerhouse.