Two days before Christmas, while Sweden is paralyzed by a heavy snowstorm, five-week-old baby Lukas inexplicably disappears from his home. Experienced police officer Alice thinks that something is not right in parents' stories.

One week after Luca's disappearance, there is a breakthrough in the investigation. But Alice thinks something is wrong. She wants to continue the search for a perpetrator, but the relationship with Stellan degenerates.