Sliver (1993)

In an upscale NYC apartment building, Carly moves in and uncovers the dark secrets of her neighbors, including a voyeuristic landlord and a novelist turned stalker. As she delves deeper, deaths occur and suspicions arise, leading Carly to unravel a web of deceit and murder that puts her own life at risk. With each revelation, she must confront the chilling truth hidden within the walls of the "sliver" building.