When private investigator Parker (Lindsay Farris, The Code) accepts an otherwise routine surveillance job, not only is he way out of his league, but faces an assignment destined to haunt him to his very core. Following the tragic death of his young son, a marriage breakdown and near bankruptcy, Parker reluctantly returns to work.Embarking on an observation assignment, he tracks a mysterious woman to an abandoned apartment complex and witnesses a series of bizarre and unexplained happenings. Drawn into a clandestine world of intrigue and horror, unaware that the derelict building has spawned a dark presence, it is not only an alluring anomaly but slowly threatens to consume him. Also featuring John Jarratt (Wolf Creek, 100 Bloody Acres), Brendan Cowell (Noise, Beneath Hill 60), Benedict Hardie (The Water Diviner) and Roger Ward (Mad Max) Observance is a creepy paranormal-style psychological thriller in the haunting tradition of The Conjuring, Insidious and The Babadook.