The love story between a songwriter and an ice-cream seller intertwines with the fate of a future tramway line.

Issachar and Zabulon, two brothers in their twenties, are supremely stupid and never bored, as madness is part of their daily lives. When they lose their mother's beloved dog, they have 24 hours to find it - or she will kick them out.

Maxime lives with the ghost of his girlfriend Hélène. Wishing to put an end to this frankly unbearable situation, Maxime finally decides to break up with her. Hélène doesn't seem ready to accept this decision.

Graziella is employed as a housekeeper for a reclusive and wealthy bourgeois family who live in a town house. A monstrous thing is locked up inside it, a very old man who has desperately been waiting to die for years. When Graziella and the monster meet, something is awakened in them.

At first sight, 10-year-old Benoît Brisefer, seems like any other little boy his age. However, Benoît is endowed with amazing force. All the bandits who cross his path learn this to their own cost. But, unfortunately, no one is perfect... As soon as he catches a cold, Benoît loses his extraordinary physical abilities. Hence he never takes off the woollen scarf wrapped around his neck. Brave and very determined, he doesn't hesitate a second to take action to defend his friends. So, when Poilonez - a well known crook - and his gang decide to focus on Mr. Dussiflard, his taxi driver friend, Benoît does all that he can to thwart his plans.