Elisa, 65, has felt very lonely since her husband passed away 10 years ago. So she decides to rent a room in her residence to Clémentine, a young student who recently broke up with her boyfriend. The two women quickly form a strong bond and help each other rediscover their zest for life. Elsa also meets Antoine, the CEO of a large company, but from the outset, they don't hit it off at all!