For a car race in Washington also the President announced with his wife. A gang sees this as an opportunity to assassinate the head of state. Finally, the Aviation Museum offers over the VIP box for such an action to downright. When Steve finds a strange object and is attacked shortly afterwards, the Vaillant suspicious. Quincy soon finds out that the metal piece is part of a machine gun - and the president in grave danger of death! (information from the German series "Michel Vaillant")
