In 1203, the relative peace of the Byzantine Empire is imperiled when the ships of the Fourth Crusade show up outside the walls of Constantinople. Instead of traveling to the Holy Land to battle the infidels, the Crusade, having sailed out of Venice, has been subverted and is now besieging the city. The jester known as Feste, his wife Viola, and their compatriots within the city are faced with catastrophe as the peace the Fool's Guild has worked so hard to maintain is about to be shattered.