Before her father leaves, he gives her a ruby ring she will treasure and wear on a chain round her neck. In return Richelda swears an oath to try to regain their ancestral home, Field House.
By the age of eighteen, Richelda’s beloved parents are dead. She believes her privileged life is over. At home in dilapidated Belmont House, her only companions are her mother’s old nurse and her devoted dog, Puck. Clad in old clothes she dreams of elegant dresses and trusts her childhood friend Dudley, a poor parson’s son, who promised to marry her.
Richelda’s wealthy aunt takes her to London and arranges her marriage to Viscount Chesney, the new owner of Field House. Richelda is torn between love for Dudley and her oath to regain Field House, where it is rumored there is treasure. If she finds it, Richelda hopes to ease their lives. But, while trying to find it, will her life be at risk or will she find true love?