A searing summer heatwave. A terrifying fire and a dead police officer. Not your typical north Wales summer for DS Charlie Rees. Social media is awash with lies about local holiday parks being requisitioned to house refugees. Sleepy Llanfair finds itself on the radar of the far right. Charlie is called out to a fire at an Asian-run business, and in the shattering aftermath, a body is discovered. To his horror, Charlie's straight-talking colleague Patsy Hargreaves is the number one suspect for the murder. In the centre of a media storm, Llanfair suffers another devastating fire and another body is discovered. Will Charlie find the evidence he needs before the whole town goes up in flames?