Barnaby and Jones investigate the cloistered world of Midsomer Priory when a nun is strangled to death. The detectives uncover a complex mystery involving holy orders, teenage romantic liaisons, African art and missing antique silver as the community is forced to open its doors to 21st-century policing. It features one of the single most delightful lines of the series, "Don't worry: you catch it, I'll wring its neck!"