Lara Honnor

Paula, her son Carl, and his estranged partner Emily, join family members to mark the birthday of their missing son. As Carl fights to convince Emily to come home, new information comes to light about the missing boy, the implications of which are worse than anyone could have imagined.

Clinical psychologist Dr Tony Hill's uncanny ability to see into the minds of murderers means he finds it difficult to distance himself from disturbing cases.