Young Hester is kidnapped in India by revolutionaries. As she grows up she becomes one of them, and is sent to England to recover a holy ruby taken from India by her father, Sir Christopher Radwick. However, she falls in love with the manager of her father's estate, and gives up her revolutionary activities. The revolutionaries aren't the forgiving types, however, and follow her to England. When Hester's father dies and is found to have been poisoned, Hester is accused of the crime.