Danielle (Bernadette Lafont), a grandmother in her sixties, is planning to take her two grandchildren to their father's house for the Easter vacation. Since retiring as a schoolteacher, Danielle has regularly taken on this responsibility after her daughter's divorce. This time, however, the children's father is not there to welcome them, giving Danielle the opportunity to spend a bit more time with her grandchildren and to take them out for the day. Jumping at every opportunity presented to them, Danielle soon transforms this day-outing into an impromptu holiday. Only what starts out as a fun adventure gradually turns into an inexorable deconstructing experience, and it soon becomes impossible for Danielle to contemplate taking the kids back...