After eleven long years of estrangement, Martin, a grizzled, ailing sexagenarian, decides to reconnect with his son, Aurélien. However, Martin is in for a shock. Instead of reuniting with Aurélien in the lavish mansion of his companion, Gabriel, Martin encounters the new owners of the villa, Olivier and Solène. But why has Aurélien left the house without even saying goodbye? As this, and more pressing questions, trouble Martin, Gabriel's spirited, inquisitive daughter, Adèle, embarks on a mission to unearth the truth. Indeed, something about this situation feels a bit off, and neither Martin nor Adèle can put their finger on it. Above all, why have Aurélien and Gabriel disappeared without a trace?