The Replacement (2010)

Torian, a retired armed forces black ops specialist with shattered memories, now turned assassin, is trying to escape the nightmares from his past and regain what he lost. His agent Scarlet, working under the disguise of her law firm, finds a way to keep Torian in the game of killing but may ultimately lead him down the tunnel of vengeance and hope he may have been looking for all along.