After suffering a head wound, Jack Emerson, wakes in a small Montana town with no idea who he is or what his life was like. His only clue to his true identity is the beautiful woman at his side. A woman he apparently traveled to Montana to marry and care for. Although he doesn't remember his promise, Jack is a man of his word. Knowing Lissa is in danger of losing her ranch, he wastes no time, marrying her as soon as he is able and working to help her raise her son and protect her property.
When Lissa finds the handsome stranger on the road to her house, she knows he must be the man who is coming to marry her. Recently widowed, marriage is the only way to guarantee that her ranch and her son will be safe from the rustlers who have been stealing cattle and threatening her livelihood. She wants a marriage of convenience, but swears that she will never give her heart away again. But as Jack works to protect her home and her son, Lissa finds it harder to keep that promise even as she finds herself wondering who Jack Emerson really is. With her heart and her future on the line, Lissa has to wonder if she's married the wrong man.