The makers of Demonte Colony 3 unveiled the film's first teaser on Monday, offering a brief but intriguing glimpse into the next instalment of the popular Tamil horror franchise. Headlined by Arulnithi and Priya Bhavani Shankar, the teaser introduces a new supernatural element that appears to drive the narrative forward.A mysterious book takes centre stageAt the centre of the teaser is a mysterious book that seems to carry a deadly curse.