Lucien is in his eighties but that doesn't stop him from being stubborn. Following his wife's death he refuses to stay any longer at Gerda's, his fretful 40-year old daughter. He moves back into his empty house where Mathilde, his best friend's voluptuous wife who he's been having a secret affair with for years now, gives him a hand with the housekeeping. But Lucien soon discovers how hard it is to be lonely. The only relationship that he truly cares about is that with his sprightly granddaughter Julie. But she will soon leave for Paris to continue her studies. When Lucien meets his new neighbor Sylvia, he is getting more and more intrigued by this interesting woman. Thanks to Sylvia, Lucien manages to start a new life. She teaches him new tricks for the household, takes him to the supermarket and gives him his first computer lesson. But when their friendship reaches a point of no return, Lucien makes a radical decision.