Neal McCauley is one of L.A.'s top criminals. He's up against top detective Vincent Hanna. Two of the strongest teams come together in a deadly battle.

A top-secret scientific center received a DNA formula from space, which was reproduced and crossed with female DNA. The result was a girl who grew by leaps and bounds. Frightened by the results of the experiment, the scientists decide to destroy the test creature, but it escapes. The creature turns from a girl into a woman with a very sexy appearance who is eager to reproduce.

London gangster Jack Carter arrives in his native Newcastle in the north of England to attend the funeral of his brother Frank. According to the police, his brother had been drinking heavily and was involved in a car accident. Carter, however, believes his brother was murdered and begins his own investigation. Almost immediately he is met with a harsh rebuff from the local mafia, which wants to either send him back to London or remove Carter.