A secret mission. A missing cook. A hostile landscape. A mystery to unravel. Maven and Reeve find themselves at the far-flung and gloomy Glawn Castle while Sir Garrick secretly searches for supporters of the rebellion. But when a cook goes missing and the Airl's personal guards take more than a passing interest in the disappearance, danger looms and the potential for discovery grows. Can Maven and Reeve solve the mystery or will they be unmasked and sentenced with treason?