Graduation Day - Chapter 1 - Anna P.O.V

Elsa, Jack, Merida, Hiccup, Rapunzel, Flynn, Kristoff & Anna are best friends since all of them met in Snow High School. They dicide to celebrate thier graduation going to Cancun (Mexico) . It was all amazing untill Kristoff's yacht gets lost in mid-sea. What will these 8 best friends do to surrvive the 8 most terrifing weeks of there lives in the mexican sea?