All six episodes of the supernatural thriller starring Wunmi Mosaku. After moving to the small town of Chadder Vale five years ago, detective Riya Ajunwa (Mosaku) has been waiting for a more challenging case than missing bins. When Katie Wells (Rowan Robinson) disappears, leaving behind an abandoned car with blood on the seats, but then reappears the next day as if nothing happened, it is only the beginning of a series of strange and increasingly horrific crimes unlike anything Riya has ever experienced before.