Sunnyva "Sunny" Fletcher is a firm believer in fairy tales. With the recent debt she's acquired, the hope of something magical happening in her life is the only thing keeping her going. She needs a job fast. So when Sunny learns the sexy new vacationer in town is looking for a nanny, she starts to believe she just may have a fairy godmother after all!

Internet guru Sam Calloway is only in town for the summer and needs a nanny for his two small children. However, the beautiful and inexperienced Sunny is not exactly the kind of caregiver Sam has in mind. It doesn't take long for Sunny's tenderhearted and bubble-blowing ways to soon have the children-and Sam-enamored with her. She's a dream come true. But after what Sam's been through, he's stopped believing in fairy tales long ago.

Sunny manages to work her way into Sam's closed-off heart, but at the end of the summer, will the workaholic dad go back to his life in New York City, or will he decide his days are much sunnier here with Sunny?