Nicholas, his mother, and his sister Kate have been left penniless by the death of Mr. Nickleby. In their poverty and desperation they seek help from Nicholas's uncle, the difficult and oppressive Ralph Nickleby who is a usurer. Nicholas's independent attitudes immediately bother his uncle and he is sent to Dotheboys Hall to teach. There he witnesses the mistreatment of orphans by the evil-hearted Wackford Squeers. Nicholas and the orphan boy, Smike, run away and join a troupe of traveling actors. Hearing that his sister Kate is in danger, Nicholas travels to London and foils his uncle's vile plans for her.