In 1950s France, Helene and Michel lead a simple life until a freak accident in 2025 leads to Helene becoming a bank executive and Michel struggling with unemployment and depression. Their children grow up in a technology-dominated world.

40-year-old Bertrand has been suffering from depression for the last two years and is barely able to keep his head above water. Despite the medication he gulps down all day, every day, and his wife's encouragement, he is unable to find any meaning in his life. Curiously, he will end up finding this sense of purpose at the swimming pool, by joining an all-male synchronised swimming team.

Charlie, a 17-year-old girl tortured by doubt, is thrilled when she becomes friends with Sarah, but when Sarah tires of Charlie and looks for a new friend, their relationship takes an ominous turn.