Heartbeat: Bully Boys

Geoff fails to control of a violent outbreak at the bookmakers, and is in awe of Joe as he takes command of the situation. Debt collector Mick Revill (guest star Martin Kemp) suggests a way to toughen him up, but elsewhere Revill is accused by a local businessman of being involved in some dubious deals. Meanwhile, Peggy can't understand David's reluctance to attend a centenary party at the school