Possession

Mark, a spy, returns to West Berlin after completing a dangerous espionage mission. Upon his return, he is met with unexpected turmoil in his personal life as his wife, Anna, seeks a divorce.

Anna refuses to reveal her reasons for the divorce, insisting it has nothing to do with another man. Distraught, Mark agrees to give up their apartment and custody of their young son, Bob.

In a vulnerable state, Mark visits their apartment, only to find Bob neglected and alone. This moment compels Mark to stay with his son, as he fears for Bob's well-being when Anna arrives home.

After an intense attempt to reconnect with their son, Anna abruptly leaves the apartment in the dead of night. Mark's anxiety about their fractured family life deepens as he tries to cope with her departure.

Mark receives a troubling phone call from Anna's lover, Heinrich, who informs him that Anna is with him. This revelation shatters Mark's already unstable emotional state.

The following day, Mark meets Bob's teacher, Helen, who bears a striking resemblance to Anna, particularly with her captivating green eyes. This connection adds to Mark's confusion and emotional turmoil.

In a fit of rage, Mark confronts Heinrich about Anna. However, the confrontation turns violent, leaving Mark beaten and further spiraling into despair as he realizes his family is slipping away.

In an emotional confrontation, Anna reveals to Mark the traumatic experience of her miscarriage, which she endured while he was away. Her revelation exposes deep-seated pain and regret in their tumultuous relationship.

Mark hires a private investigator to follow Anna, which leads to the horrifying discovery of a grotesque creature in her hidden apartment. Chaos ensues when the investigator is murdered by Anna in a moment of rage.

After discovering the horrific truths about Anna's life, Mark murders Heinrich in cold blood, disguising it as an accident. He then sets fire to Anna's apartment as a way to erase the chaos surrounding him.

Mark encounters Anna's friend, Margie, who is mortally wounded. In a frenzied act, he engages in a passionate encounter with Anna, only to later discover Margie's dead body and devise a plan to conceal the incident.

After being confronted by Heinrich's mother about her son's fate, Mark witnesses her tragic suicide by poisoning. This event intensifies the darkness engulfing Mark's life as loss and despair mount.

Mark faces pressure from former business associates while roaming the city, eventually leading to a chaotic confrontation with the police. In the ensuing chaos, he attempts to assist someone escape, risking everything.

In a dramatic climax, Anna's horrific creature fully transforms into Mark's doppelgänger. This shocking revelation leads to a cascade of violence that culminates in a violent showdown with the police.

In their final moments, Anna takes her own life in Mark's arms as they are both shot by police. The chilling aftermath reveals Mark's doppelgänger lurking in a dark future, leaving a chilling impression of the chaos that ensued.