Ovidi, a seven-year-old boy, and his Tió Ramón spend Christmas Eve for the first time at the home of Veronique's French family, his father's partner. The presence of the Tió will threaten family stability... At Christmas, it's better to knock on wood.
Three motley friends, who base their economy on the loot they get by robbing houses, find themselves involved in a frantic race for survival. They hit the wrong house and are faced with the difficult decision of whether or not to release a boy who was being held against his will in one of the rooms of the house. They decide to take it with them and start a winding road back home by car. They stop at a gas station to refuel and a few kilometers later, a strange vehicle begins to chase them. After several attempts he manages to get them off the road. Recovering from the fright, the boy takes advantage of the confusion and flees. The driver of the pursuing vehicle does not give up and does not stop until he achieves his objective: to recover what is his.
14th century, northern Spain. After the shipwreck of the Santa Isabel, the lifeless body of Fray Miguel appears on the shores of San Roque. As night falls, the monks take him back to his old abbey, unaware that his corpse is infected with a creature from the deep sea.