Marga, a well-known television presenter, organizes a dinner with old friends from boarding school to which he has not seen for 30 years. But the meeting hidden other motives. Marga projects an old super 8 film shot where they can guess the murderer of a friend by one of the dinner guests. After a night of surprises and serious accusations, the truth comes out.

Exasperated and megalomaniac director Carlos Atanes, takes the charge of produce a pilot program for the television, but his interests walks on another way: he wants to leave the audiovisual world definitively, by the most drastic way: hang himself by the neck. Intrepid journalist Diana forces him to fight against his own ghosts. So, both of them live an exciting underground adventure in Barcelona cinema's drains, peopled by the most raved and bizarre characters: rude and wretched producers, revenger and freakish actresses, survival actors, hyper-violent technicians who goes in front of camera...