ThefilmfollowsagroupofclimbersastheyembarkontheformidablechallengeofconqueringtheForbiddenWall,aperilousclimbthathasremainedoff-limitsforyears.Whatinitiallybeginsasanaudaciousexpeditionswiftlytransformsintoaharrowingbattleforsurvivalagainstamalevolentforcethattoyswiththeirmindsandteststheirresilience.