Agatha Raisin is tying the knot with James Lacey before he can have second thoughts. After all her first husband, Jimmy, must be dead from alcohol poisoning. But Jimmy hears the news among London's down-and-outs--and reaches Carsley in time to stop Agatha from committing bigamy. Jilted by James and angry, Agatha pushes Jimmy into a ditch -- where he is later found strangled. Prime suspects Agatha and James, are thrown together again by their investigation into Jimmy's past and who would want him dead.