CIA agent Jackie is assigned to keep tabs on Natasha, a spy who has booked a trip to Ukraine. Jackie hopes to track down who she’ll be contacting, but she goes into hiding. Jackie sets off in pursuit, chasing her across Australia and Russia. His main task is to stay alive and catch Tsui, Natasha’s accomplice, who has stolen a nuclear warhead. Tsui turns out to be her lover, a former CIA agent. He was recruited by KGB agent Yegorov, the leader of the Russian mafia.