While Miss Marple is on vacation in a luxurious Caribbean resort, a fellow guest confides he has evidence that another resident of the hotel is an unscrupulous serial murderer but is poisoned before he can reveal his identity to her.

• Stan Margolies Company
• Warner Bros. Television
• Helen Hayes
• Jameson Parker
• Season Hubley
• Cassie Yates
• Zakes Mokae
• Stephen Macht
• Beth Howland
• Lynne Moody