A newly released convict vows to exert a revenge campaign of psychological warfare on his ex wife, who married the lawyer that failed to save him from prison. Grant urges the con's young daughter to make a Christmas plea for understanding.
A timid immigrant girl is taken from police custody by a woman pretending to be her sister-in-law, and then a man posing as her husband also comes looking for her. Grant discovers a ring smuggling girls from Europe into the country.
Grant is ambushed in a wooded area by a small time hood who's stolen a trailer. His wife orders the crook to kill Grant, then run, but he doesn't. Left by himself, and handcuffed, Grant must find his way back to civilization.
After a married couple are found shot at a roadside, the man identifies a leather-jacketed hitchhiker as the shooter, and after the woman's death, the killer. But the crook can't be found, and the wounded man's story is questioned.
The murder of a night club dancer touches off a strange sequence of events for Sherry Allen, the girl who found the body. Lieutenant Grant must clear the mystery and assist Sherry.