After participating in a séance, young Laura begins to behave strangely. Alarmed, her parents ask Father Olmedo, one of the few exorcists authorized by the Vatican to intervene in cases of demonic possession, for help.

Clara appears naked and defenceless in a dense and mysterious forest just after a meteorite falls to Earth. With Pablo's help she lives again, falls in love, while trying to remember who she was and how she ended up there that night.

At the end of the summer of 1992, three 15-year-old girls, Sandra, Eva and Malena disappear without a trace from a nightclub in a coastal town. When the police investigation appears to be taking the wrong direction, Javi, Sandra’s younger brother, takes the matter into his own hands. Along with the help of his friends, they discover something not of this world.