The traffic cops deal with a mystery death after a passing cyclist discovers a man's body in the undergrowth. It could be a tragic case of 'hit and run', but with no clues as to how or why he came to be there, the cops can't be sure. What they do know is that the killer is still on the loose. And, just north of London, another death is narrowly avoided when a driver high on drink and drugs smashes the mini he has just stolen into a bus shelter. Show less