Observance

In the grip of grief following the death of his young son, his marriage on the rocks and nearing bankruptcy, Parker reluctantly returns to work as a private investigator. Embarking on an unusual assignment to observe a woman from an abandoned apartment, Parker witnesses bizarre happenings surrounding her, unaware that the derelict building that he surveys her from has birthed a dark presence which slowly threatens to consume him.

Observance is a 2016 drama mystery movie directed by Joseph Sims-Dennett, starring Christian Willis, Lindsay Farris, Brendan Cowell. It holds an IMDb rating of 4.5/10 from 1,133 votes and runs 1h 27m.