Tomorrow is Christmas at Vincent and Beatrice Barand's house. Vincent is happy, it's his favourite day. Unfortunately, the whole family cancels at the last minute. The result: no children, no grandchildren. While Beatrice is looking forward to this intimate evening, he is overwhelmed and cannot imagine Christmas together. So he decides to go to a retirement home to invite a lonely resident to join them and share the Christmas spirit. Monique, 85 years old and obsessed with death, arrives... soon followed by Jeanne, a former prison guard with no filter. For all four of them, this December 24th promises to be as explosive as it is unexpected!