The Milieu Trilogy backdrop
The Milieu Trilogy poster
Official Collection
Series Freshness: May 09, 2026

The Milieu Trilogy

A set of three influential 1970s Italian poliziotteschi (crime) films directed by Fernando Di Leo: Caliber 9 (1972), The Italian Connection (1972), and The Boss (1973). Known for gritty violence and tales of mafia corruption, these films are considered masterpieces of the genre, often exploring themes of organized crime in Milan.

3Movies
★ 7.5 Avg Rating

The Milieu Trilogy Movies: Timeline & Franchise Overview

The The Milieu Trilogy franchise spans roughly 1 years, featuring 3 interconnected films that build a shared narrative universe.

From its earliest installment to the most recent release, the series has expanded its world-building while introducing new characters and story arcs. Notable entries such as Caliber 9 demonstrate the franchise’s ability to maintain audience interest over time.

Franchise Quality Benchmark

Across all entries, the series holds an average audience rating of 7.1. While many long-running franchises experience declining reception, this series continues to deliver memorable cinematic moments.

Viewing Order Strategy

Most viewers prefer watching the films in release order, which reflects how audiences originally experienced the evolving story.

However, a chronological viewing order can provide deeper insight into the timeline of events within the The Milieu Trilogy universe.

Timeline & Watch Order

We recommend watching the The Milieu Trilogy franchise in the following order to fully experience the narrative expansion.

1
Caliber 9

Caliber 9

1972★ 7.5SUPER HIT

Just out of prison, ex-con Ugo Piazza meets his former employer, a psychopathic gangster Rocco who enjoys sick violence and torture. Both the gangsters and the ...

2
The Italian Connection

The Italian Connection

1972★ 7.0HIT

When a shipment of heroin disappears between Italy and New York, a small-time pimp in Milan is framed for the theft. Two professional hitmen are dispatched from...

3
The Boss

The Boss

1973★ 6.9HIT

A hitman finds himself embroiled in the middle of a Mafia war between the Sicilians and the Calabrians....

Common Questions about The Milieu Trilogy

How many movies are in the The Milieu Trilogy?

There are currently 3 movies in the The Milieu Trilogy, starting from Caliber 9 to the latest release, The Italian Connection.

What is the best order to watch the The Milieu Trilogy?

The best way to watch the The Milieu Trilogy is usually in release order: starting with Caliber 9 and ending with The Italian Connection. Check our timeline for the full chronological breakdown.

Which is the highest-rated movie in the The Milieu Trilogy?

According to movieMx ratings, the fans have a strong preference for Caliber 9 in this franchise.