SLEEP TIGHT

Plot synopsis:
Toiling silently amongst the residents of an everyday Barcelona apartment building, doorman Cesar (Luis Tosar) harbors a dark secret: his sole desire in life is to make others unhappy. When he sets his sights on Clara (Marta Clara), one of his building's cheeriest residents, his sick need blossoms into a full-fledged obsession. Embarking on a series of private and physical violations against Clara, Cesar becomes determined to ruin her life by any means.