After a hasty promise to her dying fiance jeopardizes the future of his illegitimate child, Lady Leah Sheridan vows to make amends for the gentleman's lack of honor by personally seeing to his son's financial needs. When the boy's heartless mother abandons him, Leah finds herself nearing a disastrous scandal. To make matters worse, her fiance's older brother returns to England demanding answers she swore never to divulge. As soon as the Duke of Chase meets the woman his deceased brother had intended to wed, he is unexpectedly captivated by the lady's beauty, but he quickly suspects she is hiding a secret, making him more determined than ever to seek the truth behind his brother's fatal accident. Will Leah break her promise and confide in the only man who can keep her safe?"