A married woman suffering severe domestic abuse and overwhelming fear. She believes the Calendar Killer is targeting her, suspects her husband, and wants to leave him and return to her daughter. She becomes central to the final life-or-death confrontation.
Christa is a mother who renovates the farmhouse with her husband Hannes and raises their daughters there. She participates in the household’s meals, river outings, nighttime comfort, and play, and sings a lullaby during a sleepover, presenting the home as a place of care and family ritual.
Henrike Koch is a resident facing financial pressure and anxiety over her sick child alongside Daniel Koch. She recalls seeing a dark-haired stranger near the building, answers Hanns Böhm's questions, and grows suspicious of Madonna's connection to Johannes Horn as the investigation intensifies.
Jasmin is the central figure, whose awkward encounter and unresolved feelings shape the story. She joins the supposed bachelorette trip, pretends to be engaged after meeting her former boyfriend Tim, and later admits that her fiancé and wedding plans were invented, forcing her to confront their painful breakup.
A survivor of sexual assault who has tried to recover through therapy, silence, forgiveness, and imagining that the attackers feel ashamed. She fears reporting the crime will revive the trauma and accuses Malte of bringing the past back into her life.
Sanna is Jack and Manuel's mother, whose unstable care shapes the story's central conflict. She refuses to give up her children but does not collect Jack as promised, explaining that work prevents her from coming. Later, she welcomes both boys warmly, expresses affection, and presents a cheerful family picture despite having left them to manage alone.
Judith is connected to Anna through Caro, who is described as Judith’s friend. She confronts Karsten about Anna and suspects he has been unfaithful, adding to the strain on his personal relationships. Details such as Anna’s tights seen in a video deepen Judith’s mistrust, while Karsten insists that he did not sleep with Anna.
Andreas's faithful girlfriend who supports him during his prison sentence and helps him process his traumatic past, enabling his rehabilitation.
One of the two sisters left destitute after their father's death. Works as a saleswoman for glass merchant Friedhelm Strobel. Faces exploitation and humiliation before deciding to reopen their father's workshop to create glass Christmas tree decorations and achieve independence.
Doro is Fabian's former partner, having emigrated from Berlin to Lisbon before the story begins. Fabian follows her there in the hope of restoring their relationship, making Doro the central figure in his emotional pursuit and in the film's love and jealousy conflict.
Margret is Hans-Peter’s mother, a caring but increasingly ill woman whose health places severe strain on the family. Although she once wished for a daughter, she supports his comic talent and responds to his attempts to make her laugh before her condition worsens and she dies without a final farewell.
Isabel is Doreen's inseparable teenage twin sister, and the two travel outside East Germany for the first time to attend a summer sports camp in Hungary and train for a sculling championship. When they accept a lift from young men from West Germany after missing their bus, their supervisor scolds them; Doreen's romance with Arne further tests the sisters' close bond.
Luise Heyer has 42 screen credits in a career dating back to 2001. Their work is anchored in the Sörensen ermittelt-Filmreihe universe with 1 titles. Signature works include The Calendar Killer, Sound of Falling, Black Box. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.