Fourteen-year-old Al is spending the summer on the shores of Ontario's James Bay with his eccentric archaeologist father. On their last day there, Al paddles his canoe awawy from the rocky, tree-lined shore and is strangely overtaken by a thickfog that disorients him. As the mist rolls over him, Al is startled to see a ship in the distance that he recognizes as the Discover, whose captain was the ill-fated Henry Hudson. Is it a ghostly apparition?