When a young boy discovers the body of a woman beneath a thick sheet of ice in a South London park, Detective Erika Foster is called in to lead the murder investigation. The victim, a beautiful young socialite, appeared to have the perfect life. Yet when Erika begins to dig deeper, she starts to connect the dots between the murder and the killings of three prostitutes, all found strangled, hands bound, and dumped in water around London.

After a scandal forces DI Kelly Porter out of the Met, she returns home to the Lake District. Crimes in the Cumbrian constabulary tend to be minor, but Kelly begins work on a cold case that shocked the local community - the abduction and brutal murder of a 10-year-old girl.

The truth can have deadly consequences... On a sunny morning, when the Mediterranean is dead calm, Captain Paul Thomas embarks on a dive to the wreck of the Zenobia, off the coast of Larnaca, Cyprus. Within hours, he has taken his final, gasping breath in an accident below the surface. A new Royal Military Police liaison is required to pick up on his work, and Major Helen Scott gets the assignment. It turns out Paul Thomas had rattled cages during his current case - four serving soldiers are in custody accused of the leaking of state intelligence.

To save one life, she risks many others. Working for the Royal Military Police, Major Helen Scott is used to rapid change. On a posting to Paris she oversees security for a NATO summit in the city, yet has barely begun before her presence is demanded at Interpol headquarters in Lyon. Helen's orders are to locate a kidnapping victim – the eldest son of oil magnate Khalil Dalmani. The main suspect is Fawaz bin Nabil, whose fortune has been made from illegal trade familiar to the intelligence agencies.

In the darkness of a cold December morning, Detective Kim Stone steps through the doors of Halesowen Police Station. She’s about to meet her team for the first time. When the body of a young man is found beheaded and staked to the ground in a secluded area of the Clent Hills, Kim and her new squad rush to the crime scene. This audio edition includes exclusive bonus content.