McCall is hired by the mother of a mentally challenged man falsely charged in the murder of his coworker.

A banker on Wall Street commits suicide and the waitress he was dating also turns up dead. When the waitress' friend is almost murdered, McCall is dragged into the dark underbelly of Wall Street to seek answers.

A Russian scientist who's in New York City gets away from his security and goes to the home of a friend. Later some American agents show up and ask him if he wants to defect and when he says yes they take him in. The scientist's friend is later approached by someone who wants her to help them take the scientist out or else her parents will be killed. She then calls McCall and tries to neutralize them.