Yelena, a Russian woman, is dragged off to her in-laws' vacation home for Christmas for the umpteenth time. This time, a surprise awaits: a new Flemish sister-in-law, Valerie. Her rapid integration leads Yelena to suspect there's more to the family dynamic than she thought.
| Actor | Role |
|---|---|
 Mariya ShulgaYelena | Yelena |
| SStijn VervoortHannes | Hannes |
| NNikita SheheriukBoris | Boris |
| MMaxym Kay SchoofsAlex | Alex |
 Livia PerneelValerie | Valerie |
 Stefan PercevalTommy | Tommy |
 Wietse TangheEwan | Ewan |
 Marilou MermansKaren | Karen |
 Karel DeruweJohannes | Johannes |
| AAnastasia TroukhinaLudmilla | Ludmilla |
| EEsmee DabritzNot listed | Not listed |