Mister Sim is of no concern whatsoever. At least, this is what he thinks about himself. His wife has left him, his job has left him, and when goes to see his father in a remote part of Italy, not even Dad has the time to have lunch with him. He then receives an unexpected offer: to travel through France selling toothbrushes that will "revolutionize oral-dental hygiene." He takes advantage of the job to catch up with people from his childhood, to meet the first big love of his life, along with his daughter, and to make amazing discoveries and, in so doing, rediscover himself.

Mathieu lives in Paris, Alice in a small seaside resort in Western France. He is a famous actor, about to turn fifty. She is a piano teacher in her forties. They were in love fifteen years ago, then separated. Time has passed. They each went their ways and slowly healed. When Mathieu goes try to overcome his melancholia in a thermal spa, he stumbles upon Alice.

A 16-year-old girl, bored with her own age group, becomes involved with an older man at a theater she passes.

A few years after "I Don't Know If It's Everyone", Vincent Delerm continues his documentary and sensitive exploration of feelings in a second film, this time tackling the most vibrant of all: the feeling of love. Delerm operates alone and grabs his camera to explore women and men, anonymous, artists, acquaintances or friends, in the spring or winter of their lives, all dissimilar but all in unison when it comes to evoking with delicacy, emotion or humor their relationships with the vertigo of love.

Simone, a cop with conservative ideas, infiltrates a feminist collective. However, her cover is thin. To divert attention and get out of this bad situation, Simone finds nothing better than to randomly accuse a man of having raped her.

A few years after "I Don't Know If It's Everyone", Vincent Delerm continues his documentary and sensitive exploration of feelings in a second film, this time tackling the most vibrant of all: the feeling of love. Delerm operates alone and grabs his camera to explore women and men, anonymous, artists, acquaintances or friends, in the spring or winter of their lives, all dissimilar but all in unison when it comes to evoking with delicacy, emotion or humor their relationships with the vertigo of love.

A few years after "I Don't Know If It's Everyone", Vincent Delerm continues his documentary and sensitive exploration of feelings in a second film, this time tackling the most vibrant of all: the feeling of love. Delerm operates alone and grabs his camera to explore women and men, anonymous, artists, acquaintances or friends, in the spring or winter of their lives, all dissimilar but all in unison when it comes to evoking with delicacy, emotion or humor their relationships with the vertigo of love.