Successville is a surreal place with a high celebrity homicide count. DI Sleet enlists the help of a genuine celebrity sidekick to solve the latest high-profile murder.
DI Sleet and sidekick Richard Osman wade into the art underworld to catch Bjork's killer.
Guest rookie Martin Kemp is tasked with solving a murder in Victorian Successville.
Reporter Harry Hill is found dead, covered with radiation burns.
DI Sleet and Reggie Yates try to solve the murder of undercover detective Noel Edmonds.
Professor Green tries to help DI Sleet solve the murder of Bear Grylls.
Sleet must turn his back on one of his personas, but will it be cop or superhero?
