Having witnessed the roguish ways of men, Miss Jane Harcourt has decided she is better off to remain a spinster. Working as a governess has brought her fulfillment, but when she finds herself suddenly without a position, Jane begins to fret. When her cousin alerts her that a Duke is seeking a governess for his son, Jane is overcome with joy. That is until she finds out that this is a man who is believed to have killed his wife, a man known as the Duke of Fire.

Michael Blackstone, Duke of Hayfield, knows all too well the rumors surrounding his wife’s death. For years, he has remained isolated inside his home with his son, allowing his misery and the guilt of her death to consume him. When the latest in a string of governesses leaves their home, he sends word in hopes of finding anyone who would risk being in his employ.

Desperate for employment, Jane agrees to work for the man she fears, but when she meets the Duke she is left to wonder if there is any humanity left within him. As times progresses, Jane begins to see a different side of the infamous Duke of Fire, for she sees a man who is overcome with guilt and grief - a man so lost, he is losing his mind.

For Michael, Jane has brought more than excellent teaching inside his home, she has also brought hope into an otherwise dark life. Finding the woman intriguing and enjoying her company, his feelings for her begin to grow, although he fears his love will never be returned.

Although she is afraid, Jane allows herself to fall for the broken Duke despite not knowing if her love will be enough to save the man from himself....