Hubert Jacquin, a recent widower, lives by himself in a spacious apartment. Unexpectedly, he finds himself offering a room to a young student, the energetic Manuela. She soon convinces Hubert to accept additional roommates: Marion, a prudish nurse and Paul-Gérard, a young lawyer dumped by his wife. An unlikely family is formed, and the four experience a year filled with surprises, giving Hubert a chance to regain his enthusiasm and purpose in life.
