Each week Successville's loveable detective, D.I Sleet, enlists the help of a celebrity sidekick to solve the latest high-profile murder in this improvised comedy murder mystery series. Marie Lawrence, Tom Davis, Liam Hourican, Cariad Lloyd, Colin Hoult, Jenny Bede, Rachel Parris Added on Amazon Prime 2020-09-17. Added on BritBox 2022-07-27.