Final Cut (1980)

A charismatic yet enigmatic showbiz mogul draws the attention of a young documentary filmmaker and his girlfriend as they delve into his questionable past. Suspecting him of producing "snuff" films, they aim to capture a confession on camera. Their weekend at the mogul's opulent penthouse quickly spirals into a night of deception and psychological manipulation. As the festivities unravel, the line between reality and performance blurs, culminating in a shocking disaster that leaves them questioning their pursuit and the true nature of their subject.