Heartbeat - Season 13 Episode 22 A Call to Arms
Overview: When Harry Hawkswell, a retired policeman and former colleague of Alf Ventress, turns up in the village he manages to put everyone's backs up by making himself a little too much at home at the police station. Meanwhile, Vernon is in a state of panic as he awaits a visit from the Inland Revenue, and Liz Merrick is confused by Ben Norton's behaviour.