After being released from Black Reef Prison, Logan Cross returns to Harbor City to guard Grace House and his seven family members who once took him in. He suppresses the violent Blue Snake Gang and Blood Wolf Gang one after another, resolving crises for Ava, Ivanka, Lisa, Harry, Monica and other relatives. During his investigation, the buried truth of the Cross family massacre fifteen years ago gradually emerges. The hidden behind-the-scenes organization Black Raven Trust surfaces, and Logan finally realizes that he is not the only survivor of the family tragedy.
