His departure from the underworld, however, prompts a mob boss to put out a "hit" on him, but the gunman misses Cain and mistakenly kills his fiancée Stella (portrayed by actress Carol Rossen). Seeking revenge, Cain then teams up with the Federal Bureau of Investigation to find and bring 100 mobsters to justice.
Cain's departure from the underworld sets off a chain reaction when a mob boss orders his elimination, but the assassin mistakenly kills Stella. Driven by a desire for revenge, Cain teams up with the FBI to pursue and bring to justice 100 notorious mobsters.