It's 1874. Jago Stonecipher has to live with his unscrupulous uncle, Archibald Callow, a fair ground charlatan, a crude performer of illusions. One night, he overhears a whispered conversation about depriving someone of their inheritance, involving a man called Ambruster. Then, when the very man Ambruster assaults Jago, & accuses him of stealing, he decides to help defeat him. But the cunning plots & the trials of deceit are much more complicated than anyone could have anticipated, & Jago becomes hopelessly embroiled in it all. In the end Jago has no choice but to take ship from Southampton for Rio. Trouble follows him out at sea, & he is left having to defend himself & his friend against unscrupulous & grasping villains. But we have seen that a boy from steerage can always outwit higher class opponents, & this story is no exception!