Sapphire comes across David, a little boy with amnesia, and takes him into her care, raising him like her own. That is, until Duke Galbraith appears, claiming to be David’s father. Seeing his son’s reluctance to leave his new mother, the duke proposes that he and Sapphire get married. But there is just one problem. The duke is the police chief, while Sapphire is secretly a wanted vigilante thief!