A strange fog blows into St Andrews' harbor one morning, freezing its inhabitants in a magical mist. A Viking longship docks, and out leaps Loki, the Norse god of mischief. Much to brothers Lewis and Greg's dismay, wise-cracking, havoc-wreaking Loki is back, but this time he's been followed . . . The fate of St Andrews, and indeed the ENTIRE UNIVERSE, rests with our reluctant young heroes and their friend Susie. With a swashbuckling Valkyrie...