We are now in the suburbs of Lyon.Simone, a former rock singer is now working as domestic help.She deals specially with Robert, a former musician , who is unemployed and has five children.One day, Robert's wife left him to go to Paris with a cop.Robert is quite desperate and has decided to go to Paris to persuade his wife to come back.On the other side Simone has some days of vacation and she will travel to Paris to see her brother Pierrot.And surprise Simone and Robert and his family travel on same train.