Kim Hae-suk and her friends run away from their homes and come to Seoul. There, they find men to support them but soon abandon them once they find jobs. They soon marry other people. During her honeymoon, two women are killed by a psychotic killer. Hae-suk knows that the body is being kept in preservative liquids in the criminology laboratory. But she finds out that the body is missing from the lab. The heart from the body which is in a separate container begins to pump and the evil hands reach towards Hae-suk.

In Manchuria during the 1940's, a karate master named Sazaki and hapkido champion Wang make plans to rob the Korean Independence Army of its funds. However, unknown to them, the money is guarded by one Mr Lee--a grand master of taekwondo.

Returning to his home after serving a prison term, Ma-Ryong gets angry because his wife became a whore. But he forgives her past and hands $100,000 which he got as a bonus from a secret mission he was to take, telling her to go to a remote place with his mother. In the meantime, Ma-Dae, a boss of Hong-Kong operating criminal organization, is negotiating with Sasaki in Japan for purchase of some firearms. Ma-Ryong is to execute this secret mission. With the Interpol's intervention, Ma-Ryong is to break up the Sasaki gang with Dae-Ho.