When Peter Shaw jumps from the top of a multi-storey car park onto the street below and his ex-wife is discovered murdered DCI Oliver Brooks and DS Stephanie Wright initially think it's a murder/suicide. That's until Cleo approaches Win with the strange messages she's been getting and the team reunite to look deeper into the case, leading them to an enigmatic man called Gideon who runs a support group he calls "The Truth Seekers."
Is Gideon a psychopath who skillfully manipulates his vulnerable group members, or is he the saviour he claims to be? Win & Cleo are in a race against time to discover the truth and catch a clever killer who's hiding in plain view.