Character Relationship Map: Killer Nun

Characters

• Sister Gertrude (played by Anita Ekberg) — protagonist

  Protagonist and a nun working at a Catholic elderly hospital. She suffers from severe anxiety and drug addiction following brain tumor surgery, leads a hedonistic double life, and is falsely suspected...

• Mother Superior (played by Alida Valli) — supporting

  The authoritative head of the convent and hospital who dismisses Gertrude's fears as mere hypochondria and ultimately orders her transfer to an isolation cell.

• Dr. Poirret (played by Massimo Serato) — supporting

  The hospital's lead doctor who initially treats Gertrude and assures her there is no cancer recurrence. He is later manipulated and fired by Gertrude due to her deteriorating mental condition.

• Janet (played by Sofia Lusy) — minor
• Sister Mathieu (played by Paola Morra) — supporting

  A fellow nun harboring unspoken romantic feelings for Gertrude. She steals narcotics for her and pledges loyalty after a murder, but is secretly the true serial killer, motivated by childhood trauma f...

• Peter (played by Lou Castel) — supporting

  A middle-aged patient on crutches who falsely claims to know the identity of the hospital's killer. His body is later found in the boiler room, and Gertrude steals his crutches during a panic.

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Mother Superior → Dr. Poirret (Professional Institutional Colleague)

  Both characters are presented as authorities within the Catholic hospital where Gertrude works and receives treatment.

• Mother Superior → Sister Gertrude (Power Institutional Authority)

  The Mother Superior dismisses Gertrude's fears as hypochondria and later orders her to an isolation cell to be sedated.

• Sister Gertrude → Sister Mathieu (Romantic Attraction)

  Sister Mathieu is described as having an unspoken sexual attraction to Sister Gertrude.

• Sister Gertrude → Dr. Poirret (Professional Doctor And Patient)

  Dr. Poirret treats Gertrude and assures her that there is no evidence that her cancer has returned.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Sister Mathieu → Janet (Conflict Murderer And Victim)

  Janet is bound, gagged, mutilated with needles and a scalpel, and later found hanging in an elevator shaft; the killings are ultimately attributed to...

• Sister Mathieu → Peter (Conflict Murderer And Victim)

  Peter's body is found in the boiler room during the series of killings later attributed to Sister Mathieu.

• Sister Gertrude → Peter (Conflict Confrontational Acquaintances)

  Peter claims to know who is committing the killings, and Gertrude confronts him before stealing his crutches.

Story Analysis

A psychologically fractured nun mistakes herself for a killer while addiction and concealed trauma allow another nun's murders to remain hidden.

Plot Progression

1. A Troubled Return
2. Addiction Behind The Veil
3. Murder And Uncertainty
4. The Hospital Killer
5. Clarity In Confinement