A probationary constable called Tom Nicholson is transferred to Ashfordly station after an embarrassing incident in Scarborough as the team spring into action when Lord Ashfordly's priceless African artefacts are stolen shortly before an African chieftain arrives in Aidensfield claiming the stolen artefacts belong to his tribe. Meanwhile, David takes charge of the taxi firm whilst Vernon is pre-occupied with yet another disastrous scheme, and deals with sick children, snakes - and shoplifting OAP's!