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.