Thirteen-year-old Lizzie Hood and best friend, Evie Verver are inseparable. Then one afternoon, Evie disappears, and as panic spreads through the balmy suburban community, everyone turns to Lizzie for answers. Compelled by curiosity, she takes up her own pursuit of the truth. Haunted by dreams of her lost friend Lizzie uncovers secret after secret and begins to wonder if she knew anything about her best friend at all.
When zookeeper Theodora 'Teddy' Bentley fishes the body of Koala Kate out of the harbor, she discovers that the zookeeper was strangled. And the clues to Koala Kate's killing implicate other animal keepers at the zoo. Meanwhile, to pay for repairs on her houseboat, Teddy agrees to appear on a weekly live television broadcast featuring misbehaving animals.