Suits follows college drop-out Mike Ross, who accidentally lands a job with one of New York's best legal closers, Harvey Specter. They soon become a winning team with Mike's raw talent and photographic memory, and Mike soon reminds Harvey of why he went into the field of law in the first place.
After signing a plea deal to spare his colleagues at Pearson Specter Litt, Mike will be confronted with the harsh realities of prison life as he starts his two-year sentence. Meanwhile, the once bustling Pearson Specter Litt offices are a ghost town – the partners have defected, leaving Harvey, Jessica , Louis, Donna and Rachel to pick up the pieces. But the firm’s troubles are far from over and they will have to deal with the fallout from Mike's crime before they can even begin to rebuild.
Louis, Jessica and Harvey fend off a class action lawsuit from PSL’s former clients. Meanwhile, Mike runs afoul of a fellow prisoner due to reasons beyond his own control.
Mike tries to remain safe without breaking Danbury's unwritten rules. Jessica and Harvey try to land a whale. Louis searches for an office tenant. Rachel faces a fellow student.
Mike considers a deal that could reduce his sentence. Jessica and Louis take different approaches to deal with tenants. Rachel represents a death row inmate.
Mike tries to gain Kevin's trust. Harvey enacts a risky plan. Jessica tries to mend the firm's reputation. Rachel hits a roadblock. Louis enlists Donna's help.
Harvey defends Sutter from Cahill. Mike's past threatens to derail his mission. Rachel and Jessica seek evidence to re-open a case. Louis woos Tara.
Harvey, Louis and Donna search for a missing link to Sutter's inside trading. Mike takes measures to get Kevin on his side. Rachel and Jessica deliver bad news.
Harvey counters Cahill's star witness. Mike tries to deliver a witness himself. Jessica and Rachel try to delay Leonard's execution. Louis adjusts to life as the other man.
In order to protect Mike, Harvey considers putting Gallo back on the streets; Jessica and Rachel get Bailey's case re-opened; Louis deals with anxiety over Tara.
Jessica and Rachel fight to save Leonard Bailey; Harvey and Louis try to keep clients from abandoning ship by wooing their oldest client.
Harvey, Louis and Donna plan for a future without Jessica; Mike adjusts to life as an ex-convict; Rachel considers her options.
Harvey tries to repair a broken relationship - leaving Louis, Donna and Rachel to manage PSL in his absence. Meanwhile, Mike gets a helping hand from an unexpected place.
Rachel receives a letter that creates an unexpected issue for Harvey and Louis. Mike's mentorship of Oliver and Marissa gets put to the test. And Donna gets a surprise from the IT department.
Louis and Tara get to know each other better. Meanwhile, Mike uses the legal clinic to go after Velocity Data Solutions. Harvey demands that Seidel schedule a hearing for Mike before the ethics board as soon as possible. When Mike has to bring Pearson Specter Litt into the case, Oliver gets to work with the firm’s new associates, but others are suspicious of Mike’s motives and Oliver urges him to come clean to Nate, their boss at the clinic, upon learning Mike has more riding on this than initially stated. Harvey learns that Seidel has more at stake in the Velocity lawsuit than he revealed and refuses to take his demands. While helping Mike, Harvey neglects to support Louis with the firm’s clients, so Louis brings in Rachel and Katrina; they lose a big client because of Harvey's absence, but Rachel and Katrina become friends. Donna keeps experimenting with Benjamin’s project, but has trouble explaining empathy to him.
When Mike’s class action hits a snag, it might cost him more than the case. Harvey, Louis and Rachel consider getting their hands dirty. Donna and Benjamin seek an investor.