The detectives are the targets of a deadly trap involving jewel thieves and bank robbers. Dempsey employs a murderous võ sĩ quyền anh he helped to jail to even the sides.
Dempsey goes undercover to investigate the link between an Thế giới ngầm gang in Luân Đôn and the commissioner of the New York Police Department. After infiltrating the gang, Dempsey must take part in a thỏi vàng, vàng thỏi robbery hoặc Harry will be killed.