Making Off Sangriento: Masacre en el Set de Filmación: Ricardo B., a serial killer chosen as an actor for a film school short film, kills the director and the actor. An investigation is then launched by Detective Caligari to find out who the sadistic killer was. Driven by their love of cinema and eager to finish their final thesis, marred by tragedy, the students regroup, recruit a new director, and undertake the difficult task of filming a short film in one night.