Buttoned–up financial consultant Grace Song lives life by her own strict rules. Spontaneity leads to chaos. Always play it safe. So when she shares a Manhattan cab with a handsome stranger and they accidentally swap cell phones, her first instinct is to track him down and put things right. Stay on track. Stick with the plan.

But when beyond–gorgeous Zack Camden answers the door draped only in a towel, Grace is suddenly inspired to ditch her rules for a day... and a night. Indulging in one delicious encounter with a perfect stranger is just the break she needs. But one turns into two, then three mind–blowing nights – and soon Grace in danger of breaking the biggest rule of them all – never fall in love...