Jenna makes a wish on her 13th birthday to be 30 and grown up. When she wakes up the next day she finds herself, miraculously, just weeks away from her 30th birthday. The new, older Jenna is a successful magazine editor with friends in high places and a lion's share of potential suitors. The proplem is that her mind hasn't matured with her body and Jenna finds it a little more terrifying than cool to be living on her own.

Most 15-year-old boys are obsessed with the opposite sex, Oscar is no exception. He is an honor student at an exclusive prep school, he is confident, intelligent, speaks fluent French, and is well versed in literary works. His parents are divorced and his father has recently remarried. Sensing that his stepmother isn't happy in the marriage, Oscar begins waging a low-key but ardent campaign to seduce her. His efforts to bed Eve attract the attention...