The People Under the Stairs (1991)

A young boy and two adult thieves break into a mysterious house in search of hidden treasure, only to discover bizarre and terrifying secrets. The house's strange and sadistic owners have hidden more than just wealth, including a group of people trapped within the walls. This journey into the heart of darkness reveals shocking horrors and a fight for survival. The film is a thrilling, suspenseful, and unique horror experience, blending social commentary with edge-of-your-seat terror.