Carlos, a widower in his forties, lives with his daughter Lolita and his sister Merche. He is a candidate to Spanish Court's Proctor, so frequently travels outside Madrid. During one of those trips, he is forced to return at home precipitously, because his sister informed him that Lolita has left the house to live with some friends.
Four kids get lost in the forest in the middle of a storm and go take refuge in an abandoned castle. There they will meet and face Dracula, the Werewolf, Quasimodo and Doctor Frankenstein. Despite the attempts of the monsters to scare them and, in passing, recover their lost prestige, the children, with the help of Count Dracula's son, will face the evil creatures.
A parapsychology student investigates his father's death.
