Mike returns to Pearson Spector Litt; Harvey takes the reins; Louis manages new associates; Donna and Rachel find their places.
Harvey butts heads with his partners; Mike pursues a pro bono case with the legal clinic; Donna's actions raise tough questions.
Louis and Harvey struggle with new firm dynamics; Mike gains new business; Rachel's leadership is challenged by an associate.
Harvey, Louis and Donna must get on the same page when Bratton Gould comes after PSL; Mike and Rachel cannot make time for wedding plans.
Mike juggles his work obligations with his promise to help a family; Harvey asks for Louis's discretion in a sensitive matter; Donna vets a possible addition to the firm.
Mike deals with the blowback on his prison case; Harvey tries to tell Donna about his relationship with Paula; Louis' past behavior comes back to haunt him.
Harvey learns the scope of Alex's involvement with the prison case; Mike tries to keep the case alive; Lipschitz forces Louis out of his comfort zone; Donna tries to balance work and life.
Harvey and Mike seek outside help; an unexpected encounter derails Louis' search for a new associate; Donna receives a proposition.
Mike proposes a power move to boost business; Harvey's past causes complications; Rachel's father wants to join forces; Louis mentors Brian.
After their power move is countered, Mike and Harvey end up with their backs against the wall; Rachel worries about her father's clouded judgment; Louis helps Alex.
Harvey and Louis fight to protect the future of the firm from its past; Alex worries Mike's instincts could risk a client relationship; Donna and Harvey delve into the aftermath of their kiss.
Harvey has to call in an old debt for the firm; Mike goes toe to toe with an unlikely opponent; Louis comes to terms with his new role.
Harvey is forced into a difficult decision when the impossible is asked of him; Mike and Rachel try to make time to discuss their future; Louis struggles with the rules of his relationship.
Mike's attempt to distract Harvey with a case backfires; Louis tries not to let emotion affect his judgment in a legal duel; Donna finds a way to prove her worth to the firm.
An attack against Specter Litt blindsides Harvey and Louis; Mike can't turn his back on the clinic when a class action suit overwhelms Nathan and Oliver.