The Calendar Killer film: One Night, One Helpline call, and a Chilling Ultimatum 

One night a helpline receives a distressed call from a woman who says the Calendar Killer is targeting her! And she has received an ultimatum. Who is the killer and what is the ultimatum? The Calendar Killer is a chilling psychological thriller based on Sebastian Fitzek’s best-selling novel Walk Me Home, which topped the German book charts for 11 weeks. 

The film promises a gripping mix of suspense, mystery, and emotional complexity, sure to captivate fans of dark thrillers. With Fitzek's signature style, expect twists that will keep you on the edge of your seat. The excitement around The Calendar Killer continues to grow, with fresh updates rolling in. 

Fans are eager to see how the adaptation brings Fitzek’s gripping narrative to life in a new format. Stay with us for all the latest updates as we uncover more details about the cast, the plot, and behind-the-scenes insights. We’ll continue to bring you fresh information, so keep an eye out for the next thrilling reveal.

Release date & Where to Watch

The German film The Calendar Killer (original title Sebastian Fitzeks Der Heimweg) is set to release on Prime Video on Thursday, Jan. 16, 2025.

What is the plot of The Calendar Killer?

The Calendar Killer, adapted from Sebastian Fitzek's best-selling novel Der Heimweg, is a gripping psychological thriller set in Berlin. 

The story follows Jules, who works for a helpline assisting women in danger. His quiet evening takes a terrifying turn when he receives a call from Klara, a woman convinced she’s the next target of the notorious 'Calendar Killer.' The killer leaves a haunting signature: the date of each victim’s death written in blood. Klara is given a chilling ultimatum: kill her husband or die.

As the night unfolds, Jules must guide Klara through a high-stakes race against time to survive. The psychological tension mounts as Klara’s troubled marriage and her deteriorating state come to light. With the Calendar Killer closing in, Jules is her only hope of unraveling the mystery and saving her life.

The film combines psychological tension with a dark, oppressive atmosphere, making it a must-watch for fans of thrillers like Gone Girl and Se7en. The adaptation expertly blends mystery and character-driven suspense, appealing to viewers who enjoy intricate plots and complex emotions. 

Who’s in the cast of The Calendar Killer?

• Luise Heyer as Klara
• Sabin Tambrea as Jules
• Friedrich Mücke as Martin
• Rainer Bock as HC
• Kristin Suckow as Dajana
• Andreas Döhler as Hendrik
• Isabel Thierauch as Lousanne
• Dennenesch Zoudé as Meret
• Romy Miesner as Amelie
• Shadi Eck as Vigo
• Tobias M Giesecke as Masked Man
• Sasha Marini as Paul Wassmann
• Benjamin Hartwig as Firefighter

Is There a Trailer for The Calendar Killer?

In The Calendar Killer trailer, Jules answers a quiet shift on the escort phone line until a frantic call from Klara, who claims she'll be killed by a notorious female killer that night. The killer has given her an ultimatum: kill her husband or die.

As flashbacks reveal Klara's troubled marriage, her husband’s controlling behavior escalates. Jules urges her to explain, “Klara, tell me what is going on,” but the call ends abruptly as the Calendar Killer closes in. The trailer ends on a cliffhanger, leaving Klara’s fate uncertain as time runs out.

Behind the Scenes

The Calendar Killer was produced by Ziegler Film for Prime Video, marking the second collaboration with Fitzek after the drama series The Therapy. The film's screenplay was written by Susanne Schneider, and it was directed by Adolfo J. Kolmerer. 

Producers Regina Ziegler, Barbara Thielen, and Susa Kusche, who also worked on The Therapy, are behind the project. Christian Huck handled the cinematography, Thomas Freudenthal directed production design, and Verena Schilling served as Creative Executive at Amazon MGM Studios.