It is December 1681, and the words of Mr. Baggot, the tithingman, terrify young William. William is living a strange double life. By day he is a printer's apprentice living in a white man's house. By night, he is Weetasket of the Narraganset tribe who must risk Baggot's wrath to search for his lost brother. Then comes the winter celebration of the Saturnalia—the ancient Roman holiday on which masters and slaves trade roles. Will William's secrets be revealed? And what dark deeds of others will be brought to light on this fateful night?