Bored with another normal, inky evening, bats discover an open library window and fly in to enjoy the photocopier, water fountain, and especially the books and stories found there.
With a swimming medal, the key to a mansion, and a comic book about a half-man/half-rat as her only clues, a twelve-year-old girl seeks the true story of her father's mysterious death four years earlier near an island in the Pacific Northwest.