Character Relationship Map: The Bat

Characters

• Dr. Malcolm Wells (played by Vincent Price) — protagonist

  Dr. Malcolm Wells is a physician, local coroner, and secret accomplice in John Fleming's scheme to conceal the bank president's death. He treats Lizzie Allen after the bat bite, investigates the murde...

• Cornelia van Gorder (played by Agnes Moorehead) — supporting

  Cornelia van Gorder is a mystery writer who rents The Oaks and becomes the central investigator of the danger surrounding the house. She organizes the search for the blueprints, discovers the secret r...

• Dale Bailey (played by Elaine Edwards) — supporting

  Dale Bailey is connected to the bank theft investigation through Victor Bailey, her husband, who has been framed as the suspect. She visits Cornelia van Gorder, helps pursue the blueprints that may re...

• Judy Hollander (played by Darla Hood) — supporting

  Judy Hollander works at the bank and serves as a witness supporting Victor Bailey's defense after he is framed for the missing securities. She visits Cornelia van Gorder with Dale Bailey, investigates...

• John Fleming (played by Harvey Stephens) — supporting

  John Fleming is the president of the local bank and the owner who rents The Oaks to Cornelia van Gorder. He admits to Dr. Malcolm Wells that he stole more than one million dollars in securities, offer...

• Mark Fleming (played by John Bryant) — supporting

  Mark Fleming is John Fleming's nephew and heir. While Cornelia van Gorder and her guests are at dinner, he secretly enters The Oaks to search for the blueprints that may reveal the stolen securities'...

• Victor Bailey (played by Mike Steele) — supporting

  Victor Bailey is a clerk at the bank who becomes the prime suspect in the theft of the securities after John Fleming frames him. His position connects the bank crime to Dale Bailey, his wife, and Judy...

• Detective Davenport (played by Robert B. Williams) — minor

  Detective Davenport is the officer assigned to watch The Oaks during the night investigation. He frees Cornelia van Gorder after she becomes trapped in the secret room, then hides with Dale Bailey and...

Canonical Relationships

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

• Dr. Malcolm Wells → Mark Fleming (Professional Coroner And Victim) — Wells examines the death while concealing his own criminal involvement.

  After Mark is killed, Dr. Malcolm Wells arrives to investigate the murder as the local coroner.

• Dr. Malcolm Wells → Cornelia van Gorder (Professional Physician And Patient) — Wells's medical role gives him access to Cornelia's household and its investigation.

  Cornelia calls for Dr. Malcolm Wells to treat Lizzie's bite, and Wells later visits The Oaks during the investigation.

• Dale Bailey → Victor Bailey (Family Married Couple) — Dale works to support Victor after he is framed for the bank theft.

  Victor Bailey is explicitly identified as Dale Bailey's husband.

• John Fleming → Mark Fleming (Family Uncle And Heir) — John's death makes Mark a direct heir and links him to the stolen-securities mystery.

  Mark Fleming is identified as John Fleming's nephew and heir.

Story Dynamics

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

• Detective Davenport → Dale Bailey (Alliance Protective Ally) — Davenport joins Dale and Cornelia in the planned ambush.

  Cornelia has Dale Bailey and Detective Davenport hide and wait for the masked killer during the final trap.

• Detective Davenport → Cornelia van Gorder (Alliance Rescuer) — Davenport directly protects Cornelia during the house investigation.

  Cornelia accidentally traps herself in the secret room, and Detective Davenport frees her.

• Cornelia van Gorder → Mark Fleming (Conflict Host And Intruder) — Mark's unauthorized search places him inside Cornelia's investigation and household.

  Mark sneaks into Cornelia's house while she is having dinner and searches for the blueprints.

• Cornelia van Gorder → Judy Hollander (Alliance Investigation Ally) — Judy is drawn into Cornelia's dangerous investigation of the house.

  Judy visits Cornelia at The Oaks and later investigates the third-floor noise with Dale.

• Cornelia van Gorder → Dale Bailey (Alliance Investigation Partner) — Dale becomes one of Cornelia's key helpers in investigating the house.

  Cornelia has Dale call about blueprints that may reveal a hiding place in The Oaks, and Dale promises to help search for them.

• Dale Bailey → Judy Hollander (Alliance Investigative Allies) — They cooperate while helping investigate the hidden evidence and the masked killer.

  Dale Bailey and Judy Hollander visit Cornelia van Gorder together, and later investigate noises in the house together.

• Judy Hollander → Victor Bailey (Alliance Defense Witness) — Judy provides important support for Victor's defense.

  Judy works at the bank and is a witness in Victor Bailey's defense after he is framed for the theft.

• Dr. Malcolm Wells → John Fleming (Conflict Coercive Accomplice) — Their attempted criminal partnership collapses into coercion, murder, and concealment.

  John Fleming confesses to stealing over one million dollars in securities and threatens Dr. Malcolm Wells unless Wells helps fake his death. Wells sho...

Story Analysis

A murder mystery at The Oaks links a stolen fortune, concealed rooms, false accusations, and a masked killer driven by financial motives.

Plot Progression

1. A Dangerous Rental — Cornelia van Gorder rents The Oaks while Wells becomes involved in John Fleming's securities theft. The initial murder and the nighttime intruder establish the central threat.
2. The House Under Siege — The masked killer invades The Oaks, and Wells's medical and laboratory activities create competing suspicions. Cornelia begins gathering people and evidence around the house.
3. Blueprints And Blood — The search for hidden blueprints draws Mark into the house and ends with his murder. The investigation exposes a concealed room and increases the danger for everyone inside.
4. The Doctor's Last Stand — Wells confronts the masked killer in his laboratory and is killed after claiming knowledge of the stolen money. A false suicide note attempts to redirect suspicion.
5. The Mask Falls — A garage fire lures the occupants toward a final attack, but Cornelia recognizes the deception and prepares an ambush. The killer is shot and unmasked, revealing the financial motive behind the murder...