Mike and Rachel's engagement is put on the back burner as Donna leaves Harvey to work for Louis. Harvey is in denial and is confident she will return, but will he be able to handle it when he discovers she's not bluffing?
Mike teams up with his future father-in-law after Jessica says no to his case. Meanwhile, Harvey uses Charles Barkley to retaliate against Jack Soloff, but the fight and another confrontation with Donna triggers another anxiety attack.
Harvey confesses and apologizes to Louis for punching him, but will it be enough to keep him from getting revenge? Mike's promotion goes through, but the opponent in his first case as partner knows his secret.
Jack Soloff initiates Daniel Hardman's power play to get back in the firm and take away Harvey's clients. Louis tries to find the dirt Hardman has on Soloff. Rachel discovers that her mom's big wedding plans could reveal Mike's secret.
Hardman prepares his takeover of the firm, Jessica appears to be on her way out, and Harvey is nowhere to be found. Meanwhile, Mike turns to the church to come up with a solution for his dilemma with Rachel.
Mike is arrested for fraud and is offered a deal if he gives up Harvey. Rachel is in a tough spot after her father finds out. Harvey is forced to represent Mike but keep up appearances that he has resigned to appease Charles Forstman.
Harvey returns to the firm and Mike urges the firm to go on the offensive. The prosecutor uses Donna's father as leverage against Harvey. Louis figures out who wrote the email against Mike. Jessica turns to Jeff Malone for help in the case.
Mike is furious when Anita Gibbs tries to scare Rachel into making a deal, while he turns to Dana to help save Harvey. A scathing newspaper article damages the firm's reputation, leaving Jack and Louis to resort to desperate measures.
Jessica and Harvey try to convince Mike not to represent himself at trial, but Anita Gibbs blindsides them again at the last minute. Louis is concerned about his own culpability after he finds out that Shelia's secret location is found.
Mike takes a deal, but he has big plans for Rachel before he goes to prison. Harvey goes to the jury foreman to find out if Mike made the right choice. Robert Zane uses the deal as leverage to try to blow up Pearson Specter Litt.