Ver en Cuevana. A small Breton port is falling asleep: individual and coastal fishing is dying, as is the case for François, an old sailor close to retirement. The only solution is to form a cooperative to buy a motor trawler. Five young sailors help rebuild the Roches-Douvres lighthouse in order to buy their boat "Le Tourmentin". In Brittany too, cinematographically, it was possible to make the future sing. .