On the 13th anniversary of the dinner party that culminated with the suspicious death of her grandfather, a young woman (Helen Parrish) is ready to claim her inheritance. When the soiree's other attendees start turning up dead, a determined cop (Dick Purcell) must uncover the sinister reasons why. Gripping redo of the Armitage Trail novel "The Thirteenth Guest" co-stars Tim Ryan, Frank Faylen. 61 min. Standard; Soundtrack: English Dolby Digital mono.