Arthur Bishop works as a "mechanic" (mafia slang for hitman).[4] He sneaks into the lavish home of a Colombian Drug Cartel leader and discreetly drowns him in his own pool. Upon returning to his home in Louisiana, he later meets with his friend and mentor, Harry McKenna, who pays Bishop for his work.
Later, Bishop finds that his new assignment is to kill Harry. Bishop's employer confirms by phone that the contract is correct, whereupon Bishop requests a face-to-face meeting. Dean tells Bishop about a failed mission in South Africa, in which assassins of Bishop's agency were killed. Dean relates that only two people knew about the mission