According to Greta Feature Trailer (2009)

Hilary Duff delivers the most unexpected performance of her career as Greta, a rebellious 17 year old exiled for the summer to a sleepy Jersey shore community where she immediately informs her grandparents of her plans to kill herself by the time she turns 18. But before Greta can cross suicide off her to-do list, shell begin a romance with a young cook from a troubled background, confront a tragic family secret and maybe even discover the promising young woman beneath her sarcastic shell. Just when Gretas looking for a way out, will life find a way back in?