Ashes to Ashes - Season 3 - Episode 4
Gene discovers that an undercover operation to catch several drug dealers is taking place on his patch without his knowledge. Determined to take control Hunt blows the cover of an undercover operative who turns up at CID and is eventually placed under his protection, yet it seems someone on the inside is twisting things to help the drug dealers stay out on the streets. Meanwhile, the deceased police officer continues to haunt Alex. Could he actually be her key to getting home?
About Ashes to Ashes

Title: Ashes to Ashes
First Air Date: 2008-02-07
Last Air Date: 2010-05-21
Status: Ended
Rating: 7.653/10 (from 101 votes)
Language: EN
Seasons: 4
Total Episodes: 24
Network: BBC One
Genres: Crime, Sci-Fi & Fantasy, Action & Adventure, Drama
Production Companies: BBC, Monastic Productions, BBC Cymru Wales
Synopsis
Crime drama series featuring Life On Mars' DCI Gene Hunt. After being shot in 2008, DI Alex Drake lands in 1981, where she finds herself in familiar company.
Cast

Keeley Hawes
Alex Drake

Philip Glenister
Gene Hunt

Dean Andrews
Ray Carling

Marshall Lancaster
Chris Skelton

Montserrat Lombard
Shaz Granger

Daniel Mays
Jim Keats