when does the merger happen in grey's anatomy

Brilliant Chief Forensic Examiner Sarah Jones is despised by everyone, while Mia Zimmer is revered for claiming to be a Corpse Whisperer,but Mia is just stealing Sarah's autopsy reports and passing off the findings as mystical revelations.When an angry family blames Sarah for disrespecting their loved one's body, things turn violent and she ends up murdered. But Sarah gets a second chance at life, and this time, she's done with forensics. Mia suddenly panics when she realizes her source of stolen glory is about to disappear.

Brilliant Chief Forensic Examiner Sarah Jones is despised by everyone, while Mia Zimmer is revered for claiming to be a Corpse Whisperer, but Mia is just stealing Sarah's autopsy reports and passing off the findings as mystical revelations.When an angry family blames Sarah for disrespecting their loved one's body, things turn violent and she ends up murdered. But Sarah gets a second chance at life, and this time, she's done with forensics. Mia suddenly panics when she realizes her source of stolen glory is about to disappear.

Vera Nelson has spent three years as a devoted wife, supporting her husband Jason Ford's rise as a star lawyer. But when his first love, Nia Jones, returns, he begins to neglect Vera's feelings, and distance grows between them. Once a brilliant lawyer herself,Vera quietly walks away and returns to the legal world.When she rises to fame again, Jason finally realizes the legend he's long admired is the very woman who once gave up everything for him.

Dorian Valmont, crown prince of the ancient Navorin era, awakens as a 6-year-old child in modern times after a drunken accident. With ancient wisdom hidden behind a child's face, he outsmarted every adult in the decaying Valmont family, tore down their corrupt legacy, and built a new empire from the ashes. Just when he's about to claim his rightful place as the head of the family, new enemies emerge from the shadows. Now, a storm is brewing—one that threatens to destroy everything he's built and expose the thousand-year-old secret he carries.

Raised by the Yoners, Autumn discovers she's not their biological child but the heiress of the prestigious Yale family. The real Yoner daughter, Vivian, now a destitute beggar, is manipulated by a vengeful former housekeeper to disgrace the Yoners. When Autumn is betrayed and confined by her adoptive parents, Xenith Yale emerges, offering support and encouragement. Together they unravel the conspiracy, restoring Autumn's rightful place and finding love amidst turmoil, while Vivian and her accomplice face their comeuppance.

After the werewolf leader Akasha was forced into suicide by the vampire Eric, her soul was transferred into the body of a recently deceased girl by the Grim Reaper. The Reaper offered her a deal: if she married Eric within 49 days, she could be brought back to life. Reluctant at first, Akasha's resolve hardened when she learned of her family's fate at the hands of the new leader, Francis. Driven by vengeance, she reluctantly agreed to strike a bargain with the Grim Reaper.

In her past life, Celeste found out the girl she'd been sponsoring, Renee Hopper, was actually her husband Larry's secret daughter. When she confronted him,Celeste and her daughter Sherrie were killed by Larry and his mistress.Reborn, Celeste exposed the affair and kicked them out. Renee, unwilling to back down,tried to ruin Sherrie's name—but was stopped just in time by Sherrie's real father, Nathan Sampson. In the end, Renee and her mother were disgraced and driven out.

Jocelyn, a small-town girl, moves to the city for work and unexpectedly has a passionate one-night affair with Anthony, the factory director. However, Anthony mistakes Jocelyn's best friend, Cindy, for her, leading to an arranged marriage with Cindy. Forced into the situation, Jocelyn is tasked with designing their wedding attire. When Cindy discovers Jocelyn is now working at Anthony's factory, she fears her secret will come to light. Determined to stop this, Cindy goes to extreme lengths—manipulating Jocelyn's parents and even using her childhood friend—to tear the couple apart.

Jared Steele spends ten years composing hundreds of hit songs for his wife, Chelsea Locke, turning her from an unknown singer into a music queen. He loves her deeply, but discovering her with Dean Graham, his mother’s illegitimate son, shatters him. Enraged, he revokes all her song rights. Chelsea sees it as a game, pushing his limits—until her thousandth concert, when a lawyer’s notice confirms the revocation.

A stranger clips a diamond necklace on an innocent girl and disappears, leaving her caught between cops and chaos until she's arrested by the same thief in disguise. When her boyfriend betrays her with another woman, the thief offers help for revenge and maybe a new beginning.

Danna Howard was raised by her grandmother, Reagan Sullivan, a time-traveler from the modern world, on ideals of gender equality and true love. But when her own famously devoted grandfather betrays everything they stand by and announces he's taking a concubine, the entire household is thrown into turmoil.

One furious punch, one ruined masterpiece, and she’s humiliated as ‘frigid’ before the crowd. But when Rosa, in a blaze of fury, crushes her lips to a stranger, the unthinkable happens: Tristan, the aloof billionaire everyone calls untouchable, gets hard from her kiss… and now he wants more.

Elise Pierre, a university student, has just stepped into the society when she accidentally spends a night with Louis Denton, a CEO who is known to be allergic towards women. A month later, at a career fair, their paths cross again in an unexpected twist of fate. While Louis initially assumes Elise is a gold digger, he arrives just in time to rescue her from being married off to an older man for a bride price of $100,000. When Elise opens her eyes again, she finds herself in Louis's luxurious home, where she begins to be enveloped in his love and affection.

When Lila impulsively kisses a stranger to get back at her cheating ex-boyfriend, she has no idea she's just locked lips with Colton Denizen, a billionaire and her esteemed college professor. As sparks fly, their passionate yet secretive relationship leads them into a thrilling adventure. Together, they must unravel the mystery and bring down the elusive Rogue King. Lila and Colton's bond is tested in ways they never imagined. Will their love survive the secrets and perils they uncover?

In her previous life, Vega married the man she loved—Dylan—only to be betrayed. For the sake of his first love, Dylan drained Vega's billions and even allowed his mistress to plot against Vega's entire family.Reborn, Vega returns to the moment she must choose a husband. This time, she decisively marries Ian, a principled and upright man. When Dylan realizes Vega didn't choose him, regret hits him like a tidal wave...

Natalie was once the Parson family's cherished daughter, but her world was shattered when Monica was unmasked as the true heiress. Manipulated by Monica, she was framed for their grandmother's murder and cast out by her family to a hellish reform school. Two years later, she was released, only to be forced into a marriage with a notorious alcoholic playboy. As the truth about her past and the horrors of that "school" come to light, Natalie watches everyone with a cold stare. Her storm of revenge has just begun.

Yuna Sanders' world shattered when she discovered her husband's infidelity. Seeking solace, she made a reckless decision, and what began as a fleeting escape from heartbreak quickly escalated. The other man became dangerously obsessed, pulling her into a world of nightly encounters.

Yoel wrongly believes his mother,Zina,caused his father's death and drove his girlfriend to suicide, so he creates the Memory Helmet to get revenge. But when he reads her memories, he discovers she carried the gambling debts alone,supported his business, and even donated bone marrow to save him. Overwhelmed with guilt, Yoel realizes the truth. When his mother falls gravely ill because of him, he finally awakens—but suffers a mental breakdown. Through it all, she never abandons him, and the family finally finds warmth and reconciliation.