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