Eightteenagegirlsaretrappedatanendlessbirthdaypartyinthecanyonsafteramassiveecologicalevent.Thegirls’sanityandpsychesdissolveastheyrunoutoffoodandwater.Eventually,theyregresstotheirbaserinstincts,exploitingeachother’sfearsandinsecurities.
Eightteenagegirlsaretrappedatanendlessbirthdaypartyinthecanyonsafteramassiveecologicalevent.Thegirls’sanityandpsychesdissolveastheyrunoutoffoodandwater.Eventually,theyregresstotheirbaserinstincts,exploitingeachother’sfearsandinsecurities.