After discovering an abandoned human sailboat,Lucky, that was hidden in the Inner Islands, Anforth the raccoon and his friends Flutesam the otter and Crow the crow, along with their new raccoon friend Ru-Shi, are asked by the village council to visit the animals who live around the drowned human city on the mainland. At the same time, they plan to take their sea-wolf friend Rufus back to his people in the north. They weren't expecting to find floating rocks that explode, a raccoon professor bent on exploring the ocean bottom, a sky-sausage, and more
They begin to suspect that the animals are less alone in the world than they thought, and that the long-vanished humans may be less vanished than previously thought. They even find clues to the mysterious knock on the door that Anforth got shortly after discoveringLucky.
Full of adventure on, under, and above the sea, this second book in the Inner Islands Trilogy will delight young readers of all ages, and is lavishly illustrated by Hilary Farmer in her inimitable style