Renko persuades a newspaper to publish the Hard Sun dossier. The government shuts the story down, but Renko and Hicks must investigate a killer for whom the "Hard Sun Hoax" is very real.

Cast: Jim Sturgess, Agyness Deyn, Nikki Amuka-Bird, Derek Riddell, Jojo Macari, Lorraine Burroughs, Aisling Bea, Varada Sethu, Owain Arthur, Joplin Sibtain, Adrian Rawlins, Ukweli Roach, Siddiqua Akhtar, Kae Alexander, Sarah Baxendale