When straitlaced spinster Margaret Andrews tries to stop her headstrong younger sister Amelia from eloping with the wrong man, the last thing she expects is to be caught in a coach accident. Stranded in Scotland with a dangerously handsome Highlander, she must put aside her genteel sensibilities and learn to survive.
Cain Sinclair rescues the prim and proper Margaret, but he knows she’ll never want a man like him. As a self-proclaimed sinner, he lives his life from one day to the next. He unravels every thread of decorum she possesses, tempting her to throw away propriety.
Margaret sees a man worth saving, but Cain fights her efforts to reform him. When Cain risks everything to save his brother from the hangman's noose, Margaret must break all the rules to get him back…or lose him forever.