Agatha is spending Christmas at home in the Cotswolds - and in a fit of goodwill towards all men (and women) she invites six of Carsley's oldest residents to come around and share Christmas lunch with her. Christmas jollity soon turns to disaster as Agatha accidentally kills one of her guests with a gruesome homemade Christmas pudding ... so will it be Christmas in the cells for Agatha? Or can she fix an escape out of this particular festive mess!