Louis Steinberg is a captain in the criminal brigade. One day, when his girlfriend threatens to leave him, he is seized with rage and comes close to strangling her. The same night, he is assigned to investigate the murder of a woman by strangulation, under the same circumstances, in an apartment similar to his own.

Two Polish brothers arrive in Paris with dreams of becoming rich and famous, and sure enough, they are soon participating in some forgotten film festival as a producer and a director -- but will this get them anywhere?

Tania, a young actress, puts everything at stake for her starring role in Dotez's play. But Dotez, blocked and hostile to Tania, only frees himself as the rehearsals progress, while his actress is exhausted in her daily life, divided between Yan, her lover, and Lila, his little daughter.