After Alex reclaims his throne and establishes his government, Tala and the others enjoy a well-earned rest, but they must regroup quickly when the Snow Queen returns with an unlikely ally.
Alex is doing his best to be a good leader, though he's not entirely sure what he's doing. When the Nameless Sword appears in the stone in the castle courtyard, it spawns a new set of problems. Attempts to infiltrate Avalon begin in the form of portals that appear without warning, bringing nightwalkers, ice maidens, and even a dragon. When the Snow Queen attempts to open a portal to Buyan, a long-lost country with wild magic, Alex, Tala and their friends will have to work together, despite their differences. -- adapted from jacket.