Every year, Christmas Eve turns into a nightmare for Nathalie and Antonin's family. Convinced that she is the victim of a curse, Nathalie makes a radical decision: this year we won't be celebrating! But Antonin and his children take matters into their own hands by inviting Nicole, Nathalie's long-lost sister. Will they finally escape disaster this year?
| Actor | Role |
|---|---|
 Valérie BonnetonNathalie | Nathalie |
 Kad MeradAntonin | Antonin |
 Noémie LvovskyNicole | Nicole |
 Louise MassinSandrine | Sandrine |
 François de BrauerStéphane | Stéphane |
 Jackie BerroyerPépé André | Pépé André |
 Laurent StockerLe Psy | Le Psy |
 Macha MérilSimone | Simone |
 EstébanNot listed | Not listed |
 Lise LamétrieThérèse | Thérèse |
 Rosa BurszteinCharlotte | Charlotte |
| AAlessandra DomeniciMonica | Monica |