It's a policeman's lot to be involved with eccentric human behaviour and bizarre happenings, with personal dramas and social occasions, accidental disasters and deliberate wrongdoings PC Cole, after nearly thirty years on the beat, has seen it all and, whether he's investigating the case of the exploding sewer cover, or refereeing at a drunken Irish party, withstanding the abuse of the Gay Liberation Front, or sorting out the imaginary fears of a lonely old man, it's his sense of humour that often seems the saving grace