The First Deadly Sin (1980) Characters, Setting & Themes Explained

The movie takes place primarily in Manhattan, New York City. Key locations include Mount Pleasant Baptist Church on West 81st Street, the Metropolitan Museum of Art, the 20th Precinct police station, and Daniel Blank's luxury apartment in the city's upper echelons.

• manhattan
• new york city
• settings
• locations
• mount pleasant baptist church
• metropolitan museum of art

The story unfolds in the late 20th century, reflecting the policing style and social dynamics of a modern city. The film has the tone typical of late 1970s to early 1980s thrillers, though a WWII-era Luger pistol anchors a mid-20th century connection into the present-day investigation.

• time period
• 1980s
• late 20th century
• 1970s
• era

Edward X. Delaney is an NYPD detective played by Frank Sinatra. He is a relentless, dogged investigator on the brink of retirement who becomes obsessed with catching a serial killer. Haunted by his wife's illness, he pursues the case despite pressure from peers, showing skepticism toward authority and a willingness to make hard choices in pursuit of truth.

• edward x delaney
• detective
• nypd
• frank sinatra
• main character

Daniel Blank is the wealthy, well-connected serial killer portrayed by David Dukes. Calm, arrogant, and dangerous, he believes his social status and privilege will protect him from consequences. He embodies the film's exploration of how money and status can shield people from justice.

• daniel blank
• killer
• wealthy
• serial killer
• suspect

Barbara Delaney is Edward Delaney's wife, played by Faye Dunaway. Her kidney surgery and worsening condition become a core motivator for her husband's obsession with solving the case. She appears as a fragile, caring presence before dying in the hospital, and her memory haunts the investigation throughout.

• barbara delaney
• wife
• faye dunaway
• illness
• death

The film explores how a determined detective pursues brutal murders even when wealth and social privilege threaten to shield the killer. The case exposes friction between procedural duty and the influence of money in New York's power structure, testing Delaney's ethics as personal stakes push him to bend rules in hope of justice.

• justice
• wealth
• corruption
• power
• privilege
• ethics

Delaney's wife Barbara's illness and death become a core motivator for his pursuit of truth. The investigation blends grief with professional duty, turning private sorrow into public stakes. The film shows how the personal cost of pursuing justice leads Delaney to risk burnout and moral compromise, with Barbara's memory haunting every decision.

• loss
• obsession
• grief
• death
• personal stake
• motivation

The killer uses an ice axe as a specialized, methodical weapon, which becomes a pivotal clue in the investigation. The curator Christopher Langley helps deduce this through his knowledge of arms and armor. The weapon's cold, precise nature contrasts with Delaney's emotional burden, highlighting the clash between rational inquiry and personal loss.

• ice axe
• weapon
• clue
• investigation
• methodical
• christopher langley

Christopher Langley is the Arms and Armor curator at the Metropolitan Museum of Art, played by Martin Gabel. He becomes a crucial resource for Delaney, applying his historical knowledge to help deduce that an ice axe is the weapon used in the murders. He combines erudition with enjoyment of solving puzzles.

• christopher langley
• curator
• museum
• arms and armor
• metropolitan museum

The 20th Precinct is the NYPD station where Delaney operates, representing the institutional framework of the police investigation. Captain Broughton provides oversight and authority, framing the official police response to the serial killings while Delaney works within and sometimes against the system to pursue the case.

• 20th precinct
• nypd
• police station
• captain broughton
• investigation