

William Coffey and Shelly Richards had been together for years, deeply in love. But just before they could get married, tragedy struck—William's sister Lea died in an incident involving Shelly's younger brother. The Coffey family was devastated and blamed Shelly, their grief turning into resentment. While William was in the hospital, his mother forced Shelly to leave. At the time, Shelly was already pregnant, but with nowhere to turn, she had no choice but to leave the country. Five years later, Shelly returned and ran into William again. The feelings he had buried for so long came rushing back. He still resented her for disappearing without a word, but no matter how hard he tried, he couldn't stop loving her.

Harold and daughter Demi are critically injured in a riot,with Demi fighting for her life. When the hospital faces a Type A blood shortage, his wife Violet signs away the life-saving blood to save Jack, son of her first love Nate, who claims the boy has leukemia. She abandons her dying daughter without hesitation.Heartbroken after six years of devotion, Harold resumes his hidden identity as heir to the powerful Summit Group. He saves Demi and disappears. Finding Harold's abandoned phone filled with loving messages and final farewell, crushing regret overwhelms Violet.

Ji-Yeon, the wanna-be among the theater majors at school, dreams of a bright future after being cast in a famous director's work. However, her life shatters when her best friend Yu-Mi spreads a deepfake video of Ji-Yeon having an intercourse with Professor Park, and on top of that, has an affair with Geon-Woo, Ji-Yeon's boyfriend. Determined for revenge, Ji-Yeon teams up with the teaching assistant Su-Ho, who exposes Yu-Mi's true identity to her.

Tuanzi, an orphan from a modern-day orphanage, dies in a car accident and transmigrates into the body of the missing granddaughter of the Prime Minister of the Great Yuece Dynasty. Saved by Crown Prince Xiao Yu, she learns that her mother, Yue Qing, is imprisoned and needs the Imperial Seal and the Emerald Edge to be freed. Tuanzi excels in her imperial exams and gradually uncovers that her aunt, Lin Yue, discarded her mother's necklace. As Lin Yue's malicious deeds slowly come to light, her second uncle, Yue Xing, sees his restaurant become successful with Tuanzi's help. Meanwhile, Crown Prince Xiao Yu faces political roadblocks, and Tuanzi proposes a new way to help refugees—teaching them skills instead of just giving them handouts.

Sue went missing in her childhood but was later brought back by her biological parents to the Spears family, where she was bullied to death by the family's adopted daughter, Ruby. After being reborn, Sue used her memories from her past life to accumulate wealth by buying property and gold, winning a competition with her original songs, and successfully creating a short video platform. Subsequently, she fought back against the Spears family's malicious targeting, exposing Ruby's schemes, and severed ties with the Spears family, leaving them filled with regret.