Detective Constable 'Dangerous' Davies is the odd man out in his small London police station. He cracks the tough cases anyway, with old-fashioned investigative work rather than violent confrontation.

Underdog detective 'Dangerous' Davies toils at a small London police station, where his slicker colleagues taunt him and his boss calls him the last detective he would put on a big case. That makes it all the sweeter when he cracks the big ones anyway.

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...