在夜幕低垂时，魔鬼之足悄然追随，令人不寒而栗。锦绣缘电视剧40集剧情

　　Whilst in Cornwall Holmes is approached by the local vicar to determine how Brenda Tregennis died whilst sitting in a room, playing cards with her two brothers, who were struck down with dementia as a result. The trail leads to an African adventurer and a deadly root known as the Devil's Foot.