This week DI Sleet and his sidekick Reggie Yates are going undercover on a stag do, spending 24 hours in Successville's top hotel.

This week DI Sleet and his sidekick Reggie Yates are going undercover on a stag do, spending 24 hours in Successville's top hotel. Sure there's a murder to solve, but try telling that to an excitable murder detective who has found out there's a karaoke bar.

So, when undercover detective Noel Edmonds is found dead in a bedroom, in what looks like a sex game gone wrong, it's up to Reggie to lead the investigation. The pair must infiltrate an assassins convention at the hotel, being held by the manager Michael McIntyre.