Special visitors to the hospital are caught up in a fight among the boys, while Hetty tries to discover what Matron has planned for her.

Hetty is shocked when she discovers that Matron has sinister plans for her future. But how can Hetty stop Matron when she's locked in a cellar?

Hetty starts her new life in a grand country house but is immediately drawn into a world of mystery. And a London gang are searching for her, too.