DIY lesson for Dummies, by Dummies and given by Suzanne, Camille and Elena, all commented by Alain Chabat.

In his small apartment, a middle-aged man has reached the end of his tether. He has become indifferent, even to his only true passion, classical music. He decides to end it all. But his plans are thwarted by the jarring sounds from his new neighbor above, a novice celloist. They end up trading selected musical pieces in a ruthless duell...