A horrific double murder rocks the lives of two families living side-by-side in isolated rural Scotland. But instead of focusing on the investigation, One Of Us explores the fallout for the grieving relatives, and the dark consequences that threaten to shatter their lives.

Prepare to enter the dangerous world and troubled mind of Detective Inspector Ray Lennox, a man engaged in a disturbing battle with his own demons, through the demanding and very public medium of serious crime investigations.