The Calendar Killer

The Calendar Killer is a crime thriller focusing on a woman named Klara, who is forced into a lethal dilemma by a serial murderer. The killer demands that she murder her own husband to ensure her own survival. While working a night shift at a telephone safety service designed to assist women traveling home alone, a man named Jules receives Klara's call. He becomes her primary hope for rescue as he attempts to save her in a race against time.

This German and American production was directed by Adolfo J. Kolmerer, marking the first film in a list of two works for the director. The screenplay was written by Susanne Schneider and produced by Regina Ziegler, Barbara Thielen, and Susa Kusche. The movie features Luise Heyer as Klara and Sabin Tambrea as Jules, with additional roles played by Friedrich Mücke, Rainer Bock, Andreas Döhler, and Dennenesch Zoudé.

Audience reception has been mixed. On IMDb, the film holds a rating of 5.5/10 based on 5,100 votes, while it has a slightly higher score of 6.2/10 on TMDB from 253 votes.