Two celebrated writers combine to offer the electrifying conclusion to a legendary mystery series...

Detective Inspector Carol Ashton's promotion to Chief Inspector has immediately ensnared her in two assignments that hold no warning they will forever change her life.

She's inherited the pressurized case of the high-profile death of media star and wealthy philanthropist Greta Denby, who had been undergoing a controversial experimental treatment for her cancer. Also the case of the investigating officer, greatly respected Inspector Ian Rooke, who has himself just died in baffling...