when does the merger happen in grey's anatomy

Ada Walton has saved Sid Cissie's life once, but Gail Rob stole the credit and ran away after she caused Ada's father's death in a car accident. Three years later, Ada happens to find out about the affair between her best friend, Poppy Lee, and her fiancé, Reg Wagner. Under Reg's grandfather's will, he won't get his family inheritance unless he marries Ada. To pay off her mother's mounting medical expenses in the hospital, Ada forces herself to enter into a contractual romance with Sid. Soon, things become uncontrollable...

Henry Saber's wife finds herself imprisoned—literally—and tortured by his own hands, leading her to give up on their relationship and leave him. However, Henry refuses to let her go, declaring that if she chose to stay by his side, she will stay with him for the rest of her life...

The Dixon family's heiress, Emily Dixon, rebels against her parents' plans for a business alliance through marriage. While attempting to escape this arranged fate, she crosses paths with the assertive CEO, Blake Willis. Through a series of coincidences, the two enter into a collaboration, joining forces against their respective parents. As they navigate this unconventional alliance, sparks of sweetness ignite, turning their cooperative venture into a journey of unexpected emotions.

Chelsea Swanson and Jude Lewis have been married for three years, but not many knew about it. During the day, she was his employee, satisfying his every whim. At night, she was the President's wife, lying in a custom-made sofa designed by Jude in his mansion, and playing with his dog.However, only he could lord her around. If anyone were to humiliate or bully her, he would stand up for her and crush them to pieces.

Margaret sacrificed everything to raise her two sons, only to have her "dead" husband Channing show up at their graduation with his mistress in tow. The truth hit hard: he'd faked his death, and "her" boys were actually his love children with Vivian. The shock killed her. Then she woke up in the delivery room. She reborned. Game on.

Rick Carter has been a vegetable ever since an accident two years ago. In place of Mary Holt, Rose Abney marries him and takes good care of him, earning her the favor of his mother, Ann White.

After he was tragically murdered, Xander Lewis, a top entrepreneur, was sent back in time to the beginning of the millennium! Dusting himself off and getting back on his feet, he welcomes his very own golden era!

High school graduate Annie Xavier dies in an accident on the day she's accepted to Quinbert University, but her mother, Lydia Smith,misunderstands her and pushes her away,causing her to give up the will to live.Manipulated by her adopted daughter, Lydia unknowingly harvests Annie's organs, including a heart for the adopted daughter. Only when the funeral home calls does Lydia uncover the shocking truth and expose the adopted daughter and her father's scheme.

Ryan Moregard and Jennie Grant have been married for five years but never officially registered their marriage. When Jennie's first love, Julian Pierce, returns to the country, they reconnect. Encouraged by her friends and feeling stirred emotions, Jennie begins to waver between her husband and her former flame, repeatedly crossing boundaries. Eventually, Ryan becomes completely disillusioned and decides to accept a transfer back to headquarters, leaving Jennie behind. Only then does Jennie realize her true feelings and attempt to repair their relationship, but it's too late for regrets.

After hearing her daughter Ann's inner voice, Liz Sawyer learned that in her past life, her husband had been accusing her of having postpartum depression and took everything from her family, even their house. Now she rushed back home and used Ann's help to reclaim the housing deed. When she found out her husband tried to throw Ann away, she arrived with her parents to rescue her. Based on Ann's inner voice, she divorced her husband, met her true love, and therefore changed the tragic ending of her previous life.

Cece Renner, a celestial child sent to earth to accumulate merit, is aided by four immortal masters. She helps the Jawson family find their lost child, cures Bella Sharp's illness, and resolves the Camerons' family crisis. Her rival, the Child Hellebore—also sent from heaven—competes for the chance at immortality by harming innocent people. When his true nature is exposed, he's taken back to the heavens while Cece remains on earth to continue blessing others.

Lycan Gray has battled a stubborn case of anorexia for years, and his last hope lies in tracking down a mysterious chef known for healing through food. During his search, he crosses paths with Wendy Sable, an outer disciple from Woodabbey. When Lycan is caught sneaking food, Wendy mistakes him for a thief and kicks him off the mountain.Fate brings them back together in town. To dodge a politically arranged marriage,Lycan offers Wendy a hefty sum to pretend to be his girlfriend. What he doesn't expect? Wendy turns out to be not only his long-lost fiancée—but also the culinary genius he's been searching for all along.

When they first met, he was a beggar, and she was wealthy. Years later, he became a CEO, and she, a humble employee. A twist of fate brought them together through an arranged marriage, revealing hidden connections. Misunderstood feelings and missed chances led to separation until a revelation prompted a second chance...

The discomfort in his heart only grew more intense when he saw someone being embraced inside the private room. Finding an excuse, he left the room and forcefully pulled the woman at the end of the corridor into his arms to fiercely kiss her. At this point, the only thing that occupied his mind was how to make her his.

Dean Smith returned from working in another place, only to hear his wife, Amy Smith, reveal that she had lost the 500,000 dollars after her close friend, Polly Nell, tempted her to gamble. And the money was urgently needed for their daughter's heart surgery. Dean suppressed his overwhelming anger. The cheating tricks he learned in the casino suddenly came flooding back to him. He disguised himself as a rookie gambler and infiltrated the gambling den.With his extraordinary skills and psychological warfare,he set up a trap step by step to make the gambling ringleader and Polly pay a heavy price, determined to reclaim his daughter's chance of survival.

Avery, a struggling call girl, seizes the chance to marry the sole heir of the rich Waldorf family to earn money for her mother's medical bills. However, her future husband, Elliot, is a vegetable. Can Avery fulfill her commitment in this unexpected situation?

Christie, a struggling single mother, steps in for the wealthy socialite Sophie Yates on a blind date with the returning commander, Sewell Lewis, in a desperate bid to save her ailing son. Little does she know, she is the very woman he has been searching for over five long years—the one he never forgot. As the blind date spirals out of control, Christie tries to avoid him, but her true identity begins to surface. Caught between lies and genuine feelings, Sewell's pursuit becomes unwavering. Amid the chaos and heartache, their tangled paths finally converge, and they embrace the honesty of their love.

Jacob Collins was framed and arrested for the crime of treason. His sister, Celia, had no choice but to become a dancer at Paramount Dance Hall. The Commander, Wayne Jerome, was trying to investigate Jacob's case. However, his cousin, Gabriel, took him to the Paramount and drugged him. Wayne accidentally got into Celia's room and had a night with her. The next day, Celia asked Wayne for $30,000. Wayne was angry and humiliated her. Three months later, Celia found out she was pregnant. Could she stay safe and keep her baby?