Maddie is an assistant to billionaire playboy Jack Valentine. She has never seen him as anything but confident and skilled, but just before Christmas, Jack forced her to come on a business trip to London, where he seemed like a completely different person. It appears that meeting his family again after such a long time away has turned him into a lonely, hurt boy with a closed-off heart. Maddie feels uneasy, but at the same time, her heart begins to beat quickly in her chest…