Beleaguered by life and belittled by his collegues, "Dangerous" Davies cracks four all-new cases in the detective series that has delighted legions of loyal fans.

Disc one: After a daring diamond heist, all fingers point to crime boss Jimmy Vincent, released from prison on the very day of the robbery. When teenagers find the two-week-old corpse of Dominic Sylvester, everyone in the Willesden constabulary dismisses it as the lonely death of a reclusive old man - everyone, that is, except Davies. Bunny Hopper is half of the almost-famous comedy team Bunny & Jules, dies onstage in a bingo hall, the apparent victim...