In this chilling 2019 horror film directed by Lee Cronin, Sarah O'Neill (Seána Kerslake) relocates to a rural town with her young son, Chris. Their new beginning takes a terrifying turn when Chris's behavior becomes increasingly unsettling, leading Sarah to suspect a mysterious sinkhole in the nearby forest is influencing him. As she delves deeper, Sarah confronts a nightmarish reality that challenges her understanding of motherhood and trust.