Nancy (Blake Lively) es una joven que trata de superar la pérdida de su madre. Un día, practicando surf en una solitaria playa mexicana se queda atrapada en un islote a sólo cien metros de la costa. El problema está en que un enorme tiburón blanco se interpone entre ella y la otra orilla.
This movie is scary and it's about a girl who was in the see and pass days trying to escape from hungry sharks! I just couldn't stop thinking about what would I do in her situation... what would you? Want to know more? Just watch it!!!