The movie follows Um Cheol-woo, a top agent in the North Korean army, who is forced to defect to South with unconscious “Number One”. While operatives from North hunt for both of them, Cheol-woo has to work with South Koreans to stop the nuclear war.

• Steel Rain
• Woo-sung Jung
• Do Won Kwak
• Eui-sung Kim
• Woo-seok Yang