A nuclear warhead launched by Soviet insurgents protesting the waning Cold War destroys the Ukrainian city of Donetsk. The destruction sets off a race between American and Soviet politicians to prevent a nuclear holocaust. While the U.S. president feverishly works to keep the military and political machine from going into overdrive, various subordinates panic. When the president is believed to be killed in a helicopter crash, zealous advisers take over.

Chicago policeman Terry McCain is determined to put away mobster Sal DiMarco, who always gets acquitted on technicalities. While monitoring a drug sale, a shootout ensues, and one of Terry's fellow officers gets away with $3 million of Sal's money. Suspecting Terry took the cash, the mobster sends his men to kill Terry's brother, Dylan, and partner, Frankie Hawkins. Furious, Terry sets out to take his revenge by any means necessary.