Becauseofthechangeofturbulence,asharkappearedaroundadivingsite,butpeoplewereunawareofthis.Thehungrysharkwasreadyforamercilesskill.InvitedbyhercousinLiuYiRan,ShenXin,whoisadoctor,joinedLiu’sbirthdayparty.However,shewasaccidentallyinvolvedintothedramaamonghercousin,hercousin’sboyfriendZhouTianMingandZhou’ssupervisorWendyHe.What’sworse,thefourenteredtheshark’sterritory.Thesharkwasabouttostartabloodyhunt,andShenXinfoughtagainstitwithallhermighttosaveeveryone’slife.