Wonder Seven, a secret group of well-trained government agents in China, has been assigned a case of a computer disc robbery. At first everything seems to go smooth, when a disastrous national conspiracy unravels. Seven gets caught and are forced to strike back. Meanwhile, the leader of Seven, Yip, develops a forbidden romance with a mysterious Japanese lady...

In 16th century, during the Ming dynasty era, every ten years the greatest swordsman from Japan faces the greatest swordsman from China in a duel to the death for their nation's honor. As a duel approaches, Chinese champion Bo Ching-Wan and Japanese champion Miyamoto uncover a plot to rig the fight.