On a midnight train, four hours away from her wedding, Beth McMurray discovers the devastating truth about the powerful senator she's about to marry. Convinced nothing could make this stormy night worse, the train wrecks, and she tumbles straight into the arms of an outlaw.

Andrew McLaughlin doesn't believe in loving except between the pages of his writings. He loved deeply once and thinks he'll never survive another loss. To save a friend, he climbs aboard a train heading toward Dallas. In the moment before the train crashes, he saves a beautiful woman and is injured in the fall. He wakes up to find she’s claimed him as her fiancé—and now they’re both on the run, and destined to do everything it takes to make an unexpected promise of love come true.