An elite hitman, Arthur Bishop, teaches his trade to an apprentice, Steve McKenna, who has a connection to one of his previous victims. When Bishop's employer sets him up to kill his mentor and friend, Harry McKenna, Bishop decides to train Steve as a skilled assassin. As the two embark on various contracts, they begin to uncover a conspiracy within their organization. However, when Steve discovers the truth about Bishop's involvement in his father's death, their alliance turns into a deadly game of betrayal and revenge.

In Mechanic: Resurrection, Arthur Bishop is forced out of retirement when his life is threatened. To save the woman he loves, he must complete three impossible assassinations and make them look like accidents. With time running out, Bishop must use all his skills to outsmart his enemies and stay alive.