Zachary Thornton's life essentially ended two years ago when his wife and twin daughters were gunned down in cold blood for witnessing a mob hit but he can't end the pain until he sees his family's killer brought to justice, one way or another. Thus, it is no surprise when he jumps at an offer from a mysterious stranger promising to both avenge the murders and give him a reason to live beyond vengeance. Unfortunately for Zachary, accepting the offer could be the worst mistake of his life.