Levante, 1992, end of summer in a town on the coast. Sandra, Eva and Malena, 15 years old girls, disappear into a disco without a trace. The police do not seem to be looking in the right direction, so Javi, Sandra's little brother, begins an investigation with Quino and Álvaro, his best friends, and Zeta, the class bully. Together, they discover that those who have their sister are not of this world.