In "Observance (2016)", a grieving private investigator is hired to conduct surveillance on a mysterious woman in a derelict apartment building. As he delves deeper into the surveillance, he begins to unravel a dark and twisted web of secrets that threaten to consume him. Haunted by his own personal demons, he must navigate through a labyrinth of deceit and danger to uncover the truth before it's too late. "Observance" is a chilling psychological thriller that will keep you on the edge of your seat as the protagonist races against time to solve the enigmatic puzzle before it's too late. With its eerie atmosphere and gripping suspense, "Observance" is a must-watch for fans of psychological thrillers and mysteries.