Everyone knows a proper troll must never leave his post. Arlo is thrilled to have his own bridge to guard, though it's a lonely job. A troll should enjoy being alone, but Arlo has never been very good at being a troll. He longs for companionship, and guards his secret as closely as he guards his bridge. Toby, a cheerful wolf shifter, serves as a messenger between villages. When his route is suddenly blocked by a fearsome troll, he must charm...