It's about a girl who travels to an island with her mom or aunt (can't remember) and she meets a friend there also female. they find out that the whole island is corrupted and that the mom/aunt is already corrupted they then try to escape by calling her dad/uncle to come get them but before they are able to it turns out that the friend is corrupted and she helps corrupt the main character it ends with the mom/aunt and the dad/uncle getting married and the girls falling in love with the principle and mayor i think