Mike attempts to prove Rachel's innocence as a previously unbeaten Boston lawyer sets his sights on Harvey.
Jessica's new partnership is tested, Harvey must prove a high-profile client's innocence, and Mike tries to manage the fallout from his revelation.
Mike helps Harvey when he faces an old law school rival; Harvey and Jessica try to avoid getting in the middle of a battle between Louis and Scottie.
As time runs out before the trial, Mike wants to represent himself, but Harvey wants lead, and challenges Mike to a showdown. Louis tries to get Sheila out of the picture.
Rachel receives a letter that causes an issue for Harvey and Louis. Mike's mentorship is tested and Donna has a surprise from the IT department.