FILM STORY - DETECTIVE Based on the film of the same name, the film story “Double Impact” is an action-packed detective story. It is written based on the film of the same name, in which the American film star J.-C. Van Damme plays the title role. The action takes place over twenty-five years. The mafia kills engineer Paul Wagner and his wife Catherine in order to take full control of the tunnel Wagner built. A quarter of a century later, Paul's sons, twins Alex and Chet, led by their father's close friend Frank, enter into a brutal battle with the Hong Kong mafia and, risking their lives, avenge the death of their parents, regaining their wealth and good name.