when does the merger happen in grey's anatomy

When single mom Diana starts working as an air traffic controller, she hears her ex-boyfriend Anthony’s voice over the radio. Since Diana broke up with him for the sake of his captain dreams, she’s grateful her sacrifice wasn’t in vain, and keeps hiding that he’s the father of her daughter. But she doesn’t know Anthony is actually the new billionaire CEO of their airline!

Desperate to save her son from a brain tumor, Jessica seeks out her husband, Patrick, only to find he’s betrayed their marriage for his career, hiding in an affair with an officer’s daughter. Patrick cruelly leverages their son’s surgery money to force a divorce—and when he realizes Jessica holds proof of a murder he committed, he frames her to silence her for good. At her lowest point, the army’s top commander, General Wilson, steps in. As they fight for justice together, a new love blossoms...

In an age when everyone awakens superpowers, Ace Kennedy unexpectedly activates a cultivation system instead. While others conjure fireballs, Ace discovers an immortal palace in his mind and receives the “Nine Revolutions Profound Art and the Seventy-Two Transformations” directly from a legendary war god. Back when everyone claimed superpowers were supreme, Ace kept quiet and didn’t make waves. But now that he’s truly leveled up, they’ll need to figure out what to call him

Katrina Gibson was once the world's richest woman, but she chose to hide her identity and live quietly as a cleaner. When her daughter was about to get married, Katrina vowed to give her the most lavish wedding imaginable. But on her way to the bank to withdraw money and collect her valuables, she was belittled by her daughter's fiancé's family. Forced into a corner, Katrina revealed her true identity—slapping them in the face with the shocking truth.

Intern doctor, Harvey York, hit rock bottom when his girlfriend betrayed him. After inheriting his family's medical and martial arts knowledge, his life began to turn around!

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.

Lydia Steele arrives at the Golden Glow Awards as its celebrated, veiled screenwriter. The night turns brutal when she’s publicly humiliated as a “mistress” and betrayed by her own husband. But the shocking truth is—she is not just a genius writer, but also the secret heir to the all-powerful Everworld empire. With her brother’s arrival, the tables turn. Now, every betrayer will pay.

Lydia Nott's mother-in-law falls gravely ill, but Ian Hart, mistakenly thinking the ambulance is for Lydia's ex-boyfriend, blocks its path. At the hospital, he refuses to donate blood and even destroys the blood source needed for the rescue. Despite Lydia's efforts to find help, her mother-in-law dies. Ian skips the memorial to attend Ivy Scott's birthday, only to learn the truth too late. When he tries to expel Lydia from the Hart family, he discovers she's the rightful heir. Stricken with guilt over his mother's death, he is left to face the consequences of his actions.

Karina's stepson's birth mother returns, threatening to take the boy Karina raised and helped heal from a congenital leg disability. After a heated argument, Karina realizes her husband and stepson saw her only as a free nanny. Desperate, she then discovers John, her silent protector, ready to help her restart her career and shine again as a cybersecurity queen. When her ex-husband and stepson regret it, it's too late.

Hollywood superstar Judy's wedding of the century takes a scandalous turn, when her cheating groom's sex tape is leaked to millions of livestream viewers. Is it an accident, or is there a puppeteer pulling the strings? A young showbiz mogul, George, mistaken for a gigolo by Judy, spends a wild night with her and pledges to become her agent. Is that true love blossoming in La La Land, or is there some sinister agenda at play?

Three years later, when they reunited, Donna's first words to Henry were: "Mr. Ferrell, let's have a fake marriage."Having been deceived out of her fortune by the boyfriend she had supported for years, Donna finally realized the price she had paid. Well, if that's the case, she'd just switch to a different man.At the civil affairs office, Henry grabbed her arm tightly: "I never said I wouldn't agree."

Kayla Jayne works multiple ghostwriting jobs to raise money for her daughter's congenital heart disease treatment. When she finally lands a steady position, she discovers her boss is her ex-boyfriend, Don Blake. Don mistakenly believes she left him years ago for money and uses his wealth to humiliate her. For her daughter's sake,Kayla has no choice but to endure it. She tries to tell Don the truth about their child, but Heidi Presland sabotages her. Later, when Kayla is attacked while working a bartending shift, Don rescues her and their relationship begins to thaw. Heidi kidnaps the child and uses her as leverage, but Don outmaneuvers her and saves their daughter. In the end, Don cuts ties with his mother, proposes to Kayla, and the three of them finally become a complete, happy family.

On the surface, Layla Smith is a well-behaved overseas student, but she’s actually the feared leader of the Titus Sect, unmatched in martial arts. When her grandfather falls ill, she returns home with her bodyguard, Felix Nolan. After marrying Zack Moore, she’s humiliated by him and his friends. Layla smiles coldly—she hasn’t met anyone this foolish in a long time. And then… she strikes.

Ten years ago, Flainn emerged as the champion of the Global Forging Contest but became infamous after the mysterious death of his master, Dashiel. Living in obscurity, his life takes a turn when Dashiel's daughter, Maryln, seeks his help to restore her father's Dragon Sword for an upcoming competition. Reluctantly agreeing,Flainn risks exposure as his extraordinary skills are revealed during the forging process.

Bryanna's poor boyfriend cheated on her with her best friend and plotted to sell her to human traffickers. However, fate intervenes when Bryanna mistakenly marries the company's CEO instead of the old man... With a marriage at hand and a grandmother pushing for blind dates, the CEO decides to make the best of it by marrying Bryanna. Initially a transaction of convenience, however, later both of them unexpectedly invest their true feelings...

Luis Earl and his three siblings were born into a poor rural family, where despite their humble existence, they found happiness together. However, tragedy struck when their parents drowned unexpectedly, leaving the already struggling family shattered. At just 10 years old, Luis found himself unable to care for his younger siblings alone. In desperation to ensure their safety, he endured great pain and begged others to take them in, a decision that would separate them for 20 years. Over the next two decades, Luis lost contact with his siblings due to life's changes. Consumed by guilt, regret, and remorse, he blamed himself for their separation and dedicated 20 years to finding them again. Their paths converged once more when Luis's younger sister, Anna, returned as the chairperson of the Earl Group.

Bryanna's poor boyfriend cheated on her with her best friend and plotted to sell her to human traffickers. However, fate intervenes when Bryanna mistakenly marries the company's CEO instead of the old man... With a marriage at hand and a grandmother pushing for blind dates, the CEO decides to make the best of it by marrying Bryanna. Initially a transaction of convenience, however, later both of them unexpectedly invest their true feelings...

George, the heir to a wealthy family, was saved by Melody when they were children. He gave her a lucky necklace and promised to find her when they grew up and repay the favor. After years of searching in vain, George marries a woman with a crippled leg. He lets others bully her, even causing her to miss her mother's last moments. She asks for a divorce, and George discovers too late that she was Melody all along. Realizing how badly he treated her, George decides to get her back. But Melody also runs into trouble when she goes back to her father who always disliked her, and her tormenting stepmother and stepsister. Will Melody be able to get back what she deserves?