In a cold January evening, Caraoscura wanders around the streets of a secluded village. Little Carla awakes scared. Lucas, her older brother, tries to calm her and convince her that Caraoscura isn't real, but little did they know that the story conceals a a reality so terrifying that they never imagined before.

During the eve of the 6th of January, a record-breaking snowstorm sweeps across Spain. In the midst of its chaos, a group of robbers seizes the opportunity to hijack an armoured van. A few meters away is Leo, a finished policeman who has nothing to lose. With the unexpected aid of a young woman, he will try to stop the band from running away with their loot.

Three lifelong 40-year-old friends go on a huge Interrail tour to honor their recently deceased friend.