Humpty Dumpty, Part One is the 1263rd episode of The Bill.

New recruit PC Luke Ashton witnesses a young man fall to his death from a rooftop.

PC Luke Ashton (Scott Neal) officially joins Sun Hill in this episode. He appeared previously at Hendon in Potential For Conflict.

Martha Leishman guest stars as Divisional Scene Examiner in this three-part episode.

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