Li-Zhen’s life on the archipelago is simple. Known to friends and family as Lizzy, she takes care of her grandfather and their goats, she flirts with the woman who helps row the ferry, and she stays away from the fog that comes in the night—and the monsters hiding within it. But Lizzy’s life comes apart when she steals a handful of coins from a sacred well to cover a debt. The well requires repayment, but it doesn’t deal in coins. It needs...