Le Samourai(1967) -

Jef executes a contract killing of a nightclub owner, establishing what should be an airtight alibi involving his lover, Jane, and a late-night poker game. However, as he exits the club, he is spotted by the house pianist, ( Cathy Rosier ). Despite this witness, Jef remains icily calm. The Lineup and Betrayal The Ending of Le Samourai (1967), Explained

The story of Le Samouraï (1967) begins with a flawless hit that slowly unravels into a fatal trap: The Perfect Crime

In the grey, rain-slicked shadows of 1960s Paris, ( Alain Delon ) lives like a ghost. He is a professional hitman who operates with the clinical precision of a machine, guided by a self-imposed "Bushido" code of silence and ritual. His life is a series of meticulously timed maneuvers, shared only with a small, chirping bird in a cage that serves as his only true companion.