Sax and Happy follow their fortunes to Chinatown; Blue's sister shows up seeking revenge for the murder of her sons; Merry's search draws her ever closer to Very Bad Santa.
Following a destructive family reunion, Sax and Happy go their separate ways; Merry is under investigation by Internal Affairs; Hailey and children are introduced to a far more terrifying prison.
Sax crashes a high-stakes poker game to win guns and cash for an escape from New York as Happy tries to convince him he's a father; ex-wife Amanda and ex-lover Merry team up to rescue Hailey.
Finally reunited, Sax and Happy make one last push to save Hailey; Amanda pursues a dangerous lead all by herself; Blue and Isabella come to blows over a dark family secret.