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.