Rosemary and Laura go to the village of Baffington where they are asked by the vicar to clean up the local churchyard in time for the upcoming Medieval Fayre.

They soon meet Mr Danvers, a medieval times enthusiast who tells them about his plans to buy a local site called Brockett's farm but has competition for the land from drugs firm Knussens.

At a village meeting to discuss the matter, the co-owner of Brockett's farm, the long lost Malcolm Sutton turns up, vowing not to sell the property.

When Rosemary and Laura return to the churchyard the next day, they discover Malcolm under a yew tree, with an arrow through his chest...