Tania is a young tennis athlete caught in the turmoil of a messy family life, the pressures imposed by her father, Beni, and a toxic relationship with her boyfriend, Coki. Amidst her loneliness, Tania and her friends summon Beuno (a mystical ritual), which leads to the arrival of a djinn, a spirit that haunts humans in their sleep. Since that fateful night, sleep terrors have plagued her, leading to the deaths of those she cares about as sacrifices.