After the underground fight club was shut down by the US Marshalls. The murder of Tory Coro was solved. Now, behind prison walls, the founders and associates of the fight club find themselves fighting to survive behind bars. Someone is marked for death. Neeko, and the Knockaround Girls race against the clock to get sent to prison themselves and fight beside their friends and former enemies. Once a Knockaround Girl, Always a Knockaround Girl.