This document discusses conventions of psychological thriller film trailers. It notes that trailers in this genre typically show mysterious protagonists through point-of-view shots, use eye-catching sentences to grab attention, and involve mental disorders or drug use. Trailers showcase exciting scenes through structured narratives that leave audiences guessing at resolutions. Technical elements like close-ups, lighting shifts, and contrasting music are used to depict psychological changes. Editing typically slows during character development but speeds up during action sequences.