An American attack submarine on patrol in the South China Sea intercepts an SOS from a Russian freighter. The freighter was attacked by unidentified frogmen on the high seas and high grade plutonium was stolen. The FBI suspects this attack is the work of Darian Cain, a former Russian Commando...
During a training exercise Frank White and his team are ambushed by former Soviet soldiers. Frank is kidnapped and a North Korean scientist attempts to brainwash him while his team tries to locate him. Later Frank has to go undercover with a group of eco terrorists to protect his commanders...
