1) Georgia is shown enjoying her 18th birthday party surrounded by friends and family, but receives a mysterious threatening text that worries her. 2) She later moves into a new flat, where her ex Mark finds and confronts her. He manipulates and forces her to help sabotage her family's lives. 3) The trailer cuts between scenes of Georgia and Mark's escalating plans, Steph's disappearance, and the devastated reactions of their families and community, building mystery around the consequences of Georgia and Mark's actions. Intertitles announce the film's title and release while Georgia is shown giving in to impulsive destructive behavior, led by Mark's influence.