
In1983,ayoungwomanwasbitbysomethinghorrificinalakeonapicturesqueisland.Herbrotherandfatherwerebothkilledaftershe"turned"intoadiseasedmermaid.Hermother,MaureenMelhuish,wasbroughtinforquestioningandpsychiatricevaluationasherstorycouldnotbereal,orsotheythought.Morethan30yearslater,inthishorrifyingandthrillingtale,fouryoungfriendsdecidetogotoaremoteisland,where"trespassing"isforbidden.Oneoftheyoungfriends,Toby,wantstoproposetohisgirlfriend,Amy,inaromanticsettingwherethememoryoftheproposalwouldlastalifetime.Theirfriends,ShellyandRoy,joinedthetripforsupport.Assumingthetripwasgoingtobesappyandromantic,theydidnotexpecttheirlivestobeturnedupsidedown.Shellyfallsintothelakewheretheyoungwomangotbit33yearsago,andhistoryrepeatsitself.Frantictosavetheirfriend,thegroupfindsalittlerundownshack.unbeknownsttothem,theyrunstraightinto...