AteamofU.S.archaeologistsunearthsanancientpyramidburieddeepbeneaththeEgyptiandesert.Astheysearchthepyramid'sdepths, theybecomehopelesslylostinitsdarkandendlesscatacombs.Searchingforawayout, theybecomedesperatetoseekdaylightagain.Theycometorealizetheyaren'tjusttrapped, theyarebeinghunted.