McCallum plays a Swedish scientist who enlists the aid of police inspector Warner in tracking down his unfaithful wife, Wood, and disloyal assistant, Dawson, who have fled with valuable scientific equipment that can produce energy from sound waves. The chase takes them to Lapland, where
the scientist and the inspector are attacked by wolves. Local hunters with their trained eagles rescue them and eventually the villainous lovers are killed in an avalanche. The lively sequence where the Lapps hunt wolves with eagles was filmed by the National Geographic Society. Lee, who always
has boasted about his love affair with Sweden, later said that making this film was the b...