After several prominent businessmen are gunned down, Detective George Heller is assigned to the case. While investigating, he is murdered. His son, Officer Stan Heller, is determined to find his father's killer, and is ecstatic to discover that one of the victims has survived. Stan goes to the hospital to see him, but is saddened to find that his only witness is in a coma. During Stan's many visits to the hospital, he becomes friends with nurse, Kari Jensen. Romance might be possible if it weren't for Stan's thirst for revenge.