From married couples to platonic roommates to testy rivals with romantic chemistry, the never-ending battle of the sexes gets personal.

Anna and Piero fighting routine of a long marriage, when Piero loses his memory, Anna reconstructs his way. For its part, the concierge Rocco and his friend Michele play in a group that emulates the Beatles and face opposition from their partners. Finally, Marcello and Paola are a divorced couple who, from time to time, pretend they are still together to avoid problems. They are victims of a relentless war of sexes.