Character Relationship Map: Caliber 9

Characters

• Ugo Piazza (played by Gastone Moschin) — protagonist

  Small-time gangster falsely accused of theft, orchestrating a complex revenge scheme in Caliber 9.

• Nelly Bordon (played by Barbara Bouchet) — protagonist

  Go-go dancer and Ugo Piazza's girlfriend, skeptical of his innocence in Caliber 9.

• Rocco Musco (played by Mario Adorf) — supporting

  Volatile right-hand man to The Americano, enforcing his will in Caliber 9.

• Luca (played by Salvatore Arico) — supporting

  Small-time Milanese gangster and central figure in The Italian Connection, evading mob hitmen.

• Don Vincenzo (played by Ivo Garrani) — supporting

  Blind former mafia godfather and Chino's mentor in Caliber 9.

Canonical Relationships

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

• Rocco Musco → Luca (Professional Crew Leader And Member) — Luca operates within Rocco's criminal organization.

  Luca is identified as one of Rocco's crew. Rocco follows Ugo to Nelly's home after the police have begun following him.

• Ugo Piazza → Don Vincenzo (Power Former Protégé) — Their former criminal hierarchy creates loyalty that survives Ugo's imprisonment and changed circumstances.

  Ugo meets Don Vincenzo, described as his former godfather. Ugo refuses to kill him when Rocco orders the attack.

• Ugo Piazza → Nelly Bordon (Romantic Girlfriend) — Ugo's romantic relationship with Nelly becomes a central source of hope and betrayal.

  The plot identifies Nelly Bordon as Ugo Piazza's girlfriend. Ugo later takes the recovered money to Nelly's home, intending to escape with her.

Story Dynamics

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

• Ugo Piazza → Luca (Conflict Final Opponents) — Luca becomes the immediate physical threat in Ugo's final confrontation.

  Luca shoots Ugo at Nelly's home. Ugo kills Nelly before dying, while Rocco subsequently kills Luca.

• Nelly Bordon → Luca (Alliance Conspirators) — Nelly and Luca participate in the final money betrayal against Ugo.

  Nelly is with Luca at her home when Ugo arrives, and the plot states that she conspired with a secret partner to obtain the three hundred thousand dol...

• Rocco Musco → Don Vincenzo (Conflict Disrespectful Subordinate) — Rocco rejects the old criminal hierarchy and enforces the new order through violence.

  Rocco mocks Don Vincenzo's authority and later coldly shoots the blind former godfather during the failed execution.

• Ugo Piazza → Rocco Musco (Conflict Enemy) — Their antagonism develops from intimidation into open criminal rivalry.

  Rocco repeatedly coerces and beats Ugo over the alleged theft. Ugo later accuses Rocco and his crew of stealing the thirty thousand dollars.

Story Analysis

A falsely accused gangster engineers a layered revenge scheme, only to be destroyed by the final betrayal of those closest to him.

Plot Progression

1. Return To A Hostile Milan — Ugo leaves prison under immediate suspicion for a missing fortune. His old associates, Nelly, and the police all doubt his denial, while his connection to Don Vincenzo recalls the old criminal order.
2. The Money Trail Turns Bloody — The criminal organization pressures Ugo to resume work and recover the missing money. Rocco's paranoia spreads through the courier network and makes every exchange increasingly dangerous.
3. The Old Order Falls — A masked attacker steals thirty thousand dollars during a bowling-alley exchange. Rocco retaliates against Don Vincenzo, while Ugo survives a beating by shifting suspicion toward Rocco's crew.
4. Revenge At The Estate — The criminal leadership retreats to a rural estate, where Chino launches a fatal ambush. Ugo completes the purge and then retrieves the hidden three hundred thousand dollars, exposing his long revenge...
5. Betrayal In The Final Room — A minor driving offense briefly interrupts Ugo's escape, and Rocco proposes a partnership. Ugo instead goes to Nelly, where a final conspiracy ends in shootings, deaths, and Rocco's arrest.