Alethea Forsythe has been desperately in love with the Earl of Manning since they first met last summer and although the earl has made it clear he doesn't return her regard, Alethea fights to keep her dreams of him alive. However, in a moment of despair, she is seduced by a married man and, when she discovers she is with child, fears she is now undone. With her reputation about to be ruined, she has the choice of accepting an arranged marriage to a stranger or taking matters into her own capable hands.

Jack Fitzwilliam, the Earl of Manning, is out enjoying a little Christmas revelry with friends—which ends in a visit to The House of Pleasure. After an unusual encounter there, he winds his way home to discover a late night summons to Miss Forsythe's home. His evening becomes even more bizarre when the lady in question throws herself on his mercy and begs he take her to wife. At twenty-three, Jack has many more wild oats to sow, but his innate sense of honor will not allow him to shirk the duty of a gentleman.

Radiantly happy, Alethea vows to be an exemplary wife to Jack, however, his acceptance of her proposal comes with its own set of unexpected conditions. In exchange for the protection of his name, Jack vows his marriage to Alethea will be in name only. Desperate to touch her husband's heart, Alethea battles to win his trust and love. When a trial by fire tests her love and Jack's honor, will the passion that suddenly blazes between them temper their love or consume them?