Jackson Brooks's life with his fiancee is thrown into turmoil after his childhood friends want him to help them avenge a 25-year-old wrong.

Jackson agrees to help Gil and Shawn, but doesn't tell Marina about it. He's not aware that they're the subjects of a homicide investigation, however. In other events, Jackson's former enemies are now on his trail.

Gil goes rogue during a surprise visit with an old guard from Quitman, but his behavior causes Jackson to question whether he can be a part of the revenge plan.

Jessie decides to become involved after she learns what happened to the guys at Quitman. In other events, a shocking secret about Det. Winters is revealed.

Jackson, Gil and Shawn make an emotional return to Quitman in search of answers about the disappearance of a former inmate. Meanwhile, Marina is excited to land a big new client Diana Stockman at the law firm.

Shawn uses his street smarts in an attempt to get justice for Boots' killer. Jackson grows suspicious of a larger conspiracy involving Diana Stockman, who convinces Marina to finally confront Jackson about his buried feelings for Jessie.

With their respective relationships on the rocks, Jessie and Jackson go looking for clues at Ray Carroll's hunting ranch and are stunned to find him having a mysterious meeting. Shawn finds himself in the middle of a racially charged situation. Meanwhile, Gil goes on a wild bender.

Gil confronts the pictures of himself found at the warden's ranch. Determined to take matters into his own hands, Jackson makes a purchase that could be deadly. Terry decides he is ready to be free from the aarden, but soon realizes it won't be that simple. Meanwhile, Det. Liz Winters makes a discovery that could put Gil back in jail.

Jackson strikes a deal with Det. Winters, forming an unlikely alliance. Gil sets out for the ultimate revenge, but it could cost him everything. Meanwhile, the friends make a discovery that could put the warden away for good.