Abandoned by his wife, Bernard struggles to overcome his grief and settles in a residence for singles. Employed by "SOS Doctors", he provides night guards to occupy his insomnia. That's how he is brought one night to help a neighbor, Nadine Foulon, victim of discomfort in the elevator. It turns out that Nadine is also going through a difficult time, since her companion, Terry, a singer-guitarist, has left her. A professional photographer, she can not forget it and has since oscillated between depression and bulimia. Gathered by their pains of heart, these two beings will, with the wire of the confidences, become more intimate ...