The wife and mistress of the abusive headmaster of a boy's school plot and carry out his murder. They dump his body in the murky swimming pool at the school and await for it to surface. After several days, some unusual circumstances point to clues that he is not dead after all.

• ABC Circle Films
• Aaron Rosenberg/Charles Lederer Productions
• Tuesday Weld
• Joan Hackett
• Sam Waterston
• Lucille Benson
• Michael Lerner
• R.G. Armstrong
• Ed Bernard
• William Turner