The Bill - Season 14 Episode 100 Betrayal
Overview: Boulton and Carver return to Sun Hill with Burnside in handcuffs, but upon their arrival, are pursued by two armed gunman who try to make sure that Burnside doesn't spill the beans on Hyde's operation. Meadows discovers that Burnside has been working under cover with the Yard, and decides that they must work together to get a result. Burnside manages to set up a meeting with a major Russian drugs importer, just as Michael Hyde planned to do. However, when his brother, Mark, works out what Burnside is up to, a standoff involving Burnside and his girlfriend ensues, and tragedy strikes. Burnside is then offered a job with crime OCCU, and informs Meadows they will be seeing more of each other.