As the new wife of a railroad magnate turned US marshal, Willow enjoys a passionate marriage in the wide-open land of Montana. Gideon and Willow may both be strong-willed and a bit tempestuous, but they are truly destined for one another. That is, until she discovers that her husband is on the lookout for a lawless renegade—her brother.

Willow finds herself faced with a terrible choice: betray her brother, or risk the love she has found with Gideon, to save him. It is a choice that could break her heart…