A wedding mix-up sends gentle, gifted Natalie to Yale, heir to the Quill family, while fiery Lucy marries his timid half-brother, Calvin. But Yale is secretly being poisoned by Calvin's mother, who wants the family fortune for her son. A skilled healer, Natalie saves Yale and helps him defeat his enemies. When she is framed for poisoning, the truth comes out, and Yale finally wins both the family business and Natalie's heart.