City of Madrid, Madrid (center to Spain). The RodrÑguez is a too-much-normal family composed by the father, Rodrigo, a former banker reconverted in store worker from a franchise of repairs named Van Vatio; the mother, Cristina, a Mexican woman who works as therapist and psychologist; the older daughter, Alejandra, who is dating with arrogant and paid of himself Bosco; the younger daughter, Gabriela, an outside and outlandish girl who a strange bird doll as pet; and finally the middle son, Nico, a super-intelligent boy who tries to hide it to the family. After a visit of Rodrigo's aging mother Isabel in a senior living community, Isabel talks in secret with Nico, giving a package to open with he be 15 years old, but unable to await and implying his best friend Edu, Nico discovers an old VHS tape with a message from his dead grandfather about a box buried in the garden. Digging he finds the box and opens, finding the crank of the old refrigerator. Putting on its place, Nico unleashes the