10 to Midnight plot
"A cop... A killer... A deadline."
Warren Stacey is a sexually frustrated young man. He kills women who do not respond to his advances and always provides a sound alibi. One of his victims was friends with the daughter of Leo Kessler of the homicide squad, who is in charge of the investigation along with his new partner, Pal McAnn. After Warren kills another person, he begins to harass Kessler's daughter with obscene phone calls. Kessler goes crazy, because he immediately understands that his daughter will now be the next victim...