還在新婚的他是名頂尖的合約殺手，完成這次的目標後赫然發現居然是名刑警？逃亡之餘，他必須查證過去以保全未來，並挽救妻子的性命…

Nick Newell, a one-armed MMA fighter gets a rare chance to fight for the lightweight championship. He strives to win for himself and all the other people in the world with physical challenges.