When her scientist ex-boyfriend discovers a portal to travel through time -- and brings back a 19th-century nobleman named Leopold to prove it -- a skeptical Kate reluctantly takes responsibility for showing Leopold the 21st century. The more time Kate spends with Leopold, the harder she falls for him. But if he doesn't return to his own time, his absence will forever alter history.

For all his life, wealthy businessman Wesley Deeds has done what's expected of him and has settled into a predictable routine. His scripted life begins to change, however, when he meets Lindsey Wakefield, a struggling single mother who works as a night janitor for his corporation and has just been evicted. He offers to help Lindsey get back on her feet and, though he's already engaged, romantic sparks begin to fly. Suddenly, he finds himself torn between what is expected of him and what he really wants.