A Miami TV reporter is sent to a local university to do a story on a professor who is cloning a cell from DNA found inside a meteorite. Soon after the reporter leaves, a gunman kills everyone in the professor's lab and steals the cell for a wealthy businessman. When the reporter learns that he is targeted for assassination as well, he enlists the help of two scientists to discover who is behind the crimes, why they stole the cell, and whether or not the cell should be allowed to continue living.

The mysterious Tronche is being escorted to a castle in France. However, during a stop at a motel, he is attacked by Don Lewis who adopts his identity. The castle is the secret hideout of drug-pushing gang. Two of the crooks are killed by an unidentified assailant. While the false Tronche, Jean (head of the gang) and Pierre search the place for the murderer, Jean's lover is killed too. The four survivors are trapped because they are in hiding from the police...