Following an argument with her British boyfriend, Chinese student Min Li is abducted whilst walking the dark streets of picturesque Stratford-upon-Avon alone. Trapped in a dark pit, Min is at the mercy of her captor. Detective Inspector Will Jackman is tasked with solving the case and in his search for answers discovers that the truth is buried deeper than he ever expected. But, as another student vanishes and Min grows ever weaker, time is running out.
Eva is horrified when she witnesses an attack on her best friend. She calls an ambulance and forces herself to flee Hampton, fearing for her own safety. DCI Helen Lavery leads the investigation into the murder. With no leads, no further witnesses, and no sign of forced entry, the murder enquiry begins. Slowly the pieces of the puzzle start to come together. But as Helen inches towards solving the case, her past becomes caught up in her present.