Who can kill a child?

Synopsis: Tom and Evelyn are a couple of English tourists who travel to a Spanish coastal town to finally enjoy a late honeymoon. However, when they arrive, they feel disappointed: the place is too crowded to spend the quiet vacation they had planned. So then they decide to rent a boat to visit a small island where Tom had been to when he was younger. Their disappointment will be much bigger when they discover that the only inhabitants of the island are children, children who are, adrenalized by a mysterious force, rebel against adults.