Life in the tunnel is going well for Tootson, Ludiwood and Badger-oh! A life of singing, eating jam and friendly teasing. But one day they are visited by a stern Train Conductor who wants to evict them. Tunnels are for trains, not people, she says. But Tootson & Ludiwood have an idea: Tootson’s grandfather, the legendary pirate Captain Tootson, can surely save them. But where is he?

Their search for Captain Tootson takes the best friends to the most incredible places, and wherever they travel, they end up in trouble – with hungry polar bears, extreme licorice candy, aggressive cherubs and expired vintage cod liver oil. But it turns out that help is closer than they think, at home in the tunnel, and it has a hundred heads and more than fourteen legs…