Character Relationship Map: Inconceivable

Characters

• Brian (played by Nicolas Cage) — protagonist

  Brian is a doctor and Angela’s husband, and they are raising their young daughter together. He becomes uncomfortable when Katie makes a provocative advance, later believes Angela may be unstable, and...

• Angela (played by Gina Gershon) — protagonist

  Angela is a doctor, Brian’s wife, and the mother of their young daughter. After suffering a miscarriage, she invites Katie into the guest house as a nanny and considers using Katie as a surrogate, but...

• Katie (played by Nicky Whelan) — supporting

  Katie is a mother and former donor who enters Angela and Brian’s household as a part-time nanny after claiming to have escaped an abusive husband. She becomes obsessed with taking another child, murde...

• Donna (played by Faye Dunaway) — supporting

  Donna is Brian’s mother and immediately distrusts Katie. She questions Katie’s background from the beginning, providing an early warning that Katie may not be trustworthy and adding family tension to...

• Linda (played by Natalie Eva Marie) — supporting

  Linda is Angela’s friend and the person who introduces Angela to Katie. She later tells Katie about the planned surrogacy and learns Katie’s disturbing secret, but Katie attacks her and drowns her in...

Canonical Relationships

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

• Donna → Brian (Family Mother) — Donna is Brian's mother and acts as a skeptical family authority.

  Donna is explicitly identified as Brian's mother and questions Katie's background.

• Brian → Angela (Family Spouses) — They are married doctors and jointly manage their family crisis.

  The plot presents Brian and Angela as a married couple raising their four-year-old daughter together.

Story Dynamics

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

• Donna → Katie (Conflict Distrustful In-Law) — Donna immediately challenges Katie's legitimacy within the family.

  Donna dislikes Katie from the start and questions her background.

• Katie → Brian (Conflict Manipulative Adversary) — Katie manipulates Brian to isolate Angela and protect her scheme.

  Katie steps naked into the pool while knowing Brian is watching, later drugs Angela, and tells Brian that Angela is mentally unstable.

• Linda → Katie (Social Confidante) — Linda becomes the person to whom Katie reveals her hidden history.

  Katie confides to Linda that she was the donor and reveals the truth about the child she abducted.

• Linda → Angela (Social Friend) — Linda connects Angela with Katie and later becomes a victim of Katie's secrets.

  Linda is described as Angela's friend and introduces Angela to Katie.

• Angela → Katie (Social Friend) — Their friendship becomes a dangerous relationship of misplaced trust.

  Angela accepts Katie through Linda's introduction, invites her into the guest house, and initially develops trust in her.

Story Analysis

A grieving family welcomes a seemingly vulnerable nanny whose biological obsession turns trust, pregnancy, and motherhood into a violent struggle for control.

Plot Progression

1. A Stranger Enters The Family — Angela and Brian are introduced as doctors raising their young daughter. Linda introduces Katie, whose vague account of leaving an abusive husband makes Donna suspicious.
2. Grief Opens The Door — After Angela's miscarriage, she invites Katie into the guest house as a part-time nanny. Katie gains access to the family while testing Brian and searching through the household.
3. Trust Hides A Design — Angela becomes more comfortable with Katie after a misleading discovery. Linda then reveals Angela's surrogacy plan, provoking Katie's concealed distress.
4. The Donor's Violent Secret — Katie confesses to Linda that she was the donor and had abducted a biological child. To protect the secret, Katie attacks and drowns Linda.
5. The Household Turns Hostile — The plan for a full-time nanny makes Katie fear losing control. She manipulates Brian, drugs Angela, and turns the family against Angela's credibility.
6. Truth In Blood And Evidence — Angela discovers Katie's donor history and obtains DNA testing. Katie stages an attack, but the emergency birth and DNA results expose her deception before she is arrested.