Claude Greengrass is playing host to a group of Norwegian history students. At the same time several burglaries are investigated, and Les Gulliver is a suspect as is Andy Ryan, a new guest at the Aidensfield Arms who takes Gina's breath away. The chief constable had asked Oscar Blaketon to form and chair a crime prevention committee in Aidensfield, and Oscar sees the robbery at the brewery as an excellent opportunity for his new committee to prove its worth. Not all committee members agree with him on how to do it.. Claude's Norwegians are especially interested in historic Viking sites. Only there are not many of those around, and Claude has to find a way...