Wilhelm Jacobsson disappears without a trace on the Gotland boat. He is a small farmer who is fiercely independent, stubborn and constantly arguing with his neighbors. A few days later, an elderly lady is out walking her son's Rottweiler. The dog escapes, starts digging in a cairn and digs up a corpse - Wilhelm's.
Maria Wern and her colleagues Hartman and Arvidsson are summer substitutes on Gotla...