Sleep Tight

The doorman César (Luis Tosar) is incapable of being happy. The only thing that allows him to survive, is knowing that other people are just as sick as he is. Thanks to the dissemblance has a good relationship with most of the tenants in the house and thanks to the free access to the individual apartments can systematically terrorize tenant Clara (Marta Etura), without anything pointing to his intervention. Her outwardly unfailing good humor him unbearably irritating, and upsets to the steady escalation of their practices. The unexpected arrival of clara's boyfriend and blackmailing the daughter of one of the tenants but the starting situation severely complicate.