Archaeologist Annja Creed narrowly escapes an attack by unknown fi gures when she tries to collect a package near her loft. She later learns that the sender--an old colleague named Fellini--has been brutally murdered. Fellini had been researching the Hammer of Thor, the Norse god of thunder, and had linked it to a Viking warrior and a twelfth-century Latvian village. A coded message in Fellini's package leads Annja on a wild chase along the canals...