All dogs like mud. All dogs like biscuits. This is a fact. But when mud and biscuits happen at the same time, Jack knows there is skulldoggery in the air. Who is mudding the show dogs of Doggeroo?
In 1878 in London, Sally, now twenty-two and established in her own business, and her companions Frederick and Jim try to solve the mystery surrounding the collapse of a shipping firm and its ties to a sinister corporation called North Star.