Linda (Gioia Scola) and her lover Carlo (David Brandon) committed a horrible crime: eight years ago they murdered the woman's husband, Luca (Roberto Pedicini), while she was pregnant with his son.

One rainy night a drifter named Marco (Urbano Barberini) arrives to the hotel, but he seems to know too many details about Linda's dead husband.

[4] Director Lucio Fulci claimed to have created the original story for the film with a title Evil Comes Back based on the 1934 novel The Postman Always Rings Twice.

[4] While working on Brivido giallo, Sacchetti stated that Bava knew about the script and asked if it was still available for the series as they required one more episode.

[4] Until Death was released on home video in Germany in November 1988 before the film had its television premiere in Italy.