Somewhere in Napoleonic Sweden, explosives heiress Dinah Wyck awakens in a strange garden, with an equally strange robot maid insisting that she is sick and must go back to bed. Dinah has no memory of how she came to enter Castle Quarantine, nor why its bizarre inhabitants are so hostile toward her. And somewhere in the distance she hears the voice of her father calling to her. Armed only with a cricket bat and a handful of cherry bombs, Dinah sets out on a quest to rescue her father and find a way out of Castle Quarantine...