The night before Christmas Eve, five-week-old Lucas disappears inexplicably from his home. When his mother Jenni is woken up by her daughter Nicole on Christmas Eve morning, she has no memory of what happened. In addition, her partner Salle has also disappeared. Police Alice is soon involved and suspects that a crime may be behind the child's disappearance. At the same time, the police are looking for 14-year-old Emma who is pregnant and on the run. The newly moved-in Danish BVC nurse Maria will celebrate Christmas with her brother who has been suffering from a brain injury since childhood, but the plans are dashed.

The days before Lucas disappears, Jenni is exhausted and feels useless. Salle is desperately looking for a solution to the family's situation and makes a fateful decision. Maria, who has moved to Stockholm, will be the family's new BVC nurse. After a home visit, she becomes worried about Lucas. In the end, she confronts Salle. Alice interrupts her leave and starts working on a span, but her affair with Stellan risks catching up with her.