Paris by night. Alex, 22, wants to become a filmmaker. He is fascinated by first times and his girlfriend, Florence, has just left him for his best friend, Thomas. First break-up, first attempted murder: Alex tries to strangle Thomas, but gives up and wanders the streets. That evening, Mireille, a girl from provincial France who has come up to Paris to make commercials, is left by her boyfriend. Alex witnesses this separation. These two tormented souls run into each other at a party.

Delphine and Solange are two sisters living in Rochefort. Delphine is a dancing teacher and Solange composes and teaches the piano. Maxence is a poetand a painter. He is doing his military service. Simon owns a music shop, he left Paris one month ago to come back where he fell in love 10 years ago. They are looking for love, looking for each other, without being aware that their ideal partner is very close...