Welcome to Chadder Vale, a close-knit town where nothing seems to perforate the mundane. D.I. Riya Ajunwa is bored of solving petty crimes by day and looking after her batty mother-in-law by night. So when Katie Wells disappears Riya thinks shes found the case of a lifetime. But shell soon realise nothing is as it seems in the small town of Chadder Vale.