Jack Cody has always wanted to enter the world of the Superfights, a free fighting tournament. One night, Jack rescues a girl from a mugging and becomes a national hero. Only then is he given his opportunity to become a Superfighter. Jack soon meets a ninja who informs him that the man behind the Superfights is involved in illegal acts. Armed with this knowledge Jack must fight . . . for his life!

Ken O'Hara is a "Mindhunter" - a serial killer specialist enlisted to find the mass murderer intent on killing the strongest fighters in New York City. Trying to catch this cunning and clever killer is the hardest assignment Ken has ever had. Now, the moon is rising again and he must use all of his resources to hunt down the murderer....or he may be the next to die.