1880, Boston, MA Susan Walton is a sleuth at heart, but when she is left alone in Boston while her parents take a tour in Europe, she does the most absurd thing anyone could think of. She buys a ticket to a stagecoach and travels to Texas to find out what had happened to her maid's future husband. John Stanton is a handsome rancher but his controlling ways frustrate Susan who is headstrong and knows what she wants. Can they work together to find out the truth?