电影 The Underneath: In Fortune's Shadow

A  young  newlywed  couple  find  themselves  trapped  in  a  network  of  underground  caves.  With  her  husband  injured,  the  new  bride  is  forced  to  find  her  way  back  to  the  surface  in  order  to  save  his  life.  In  the  process,  they  discover  a  terrifying  truth  about  the  "underneath",  they  are  not  alone.  Something  evil  is  hunting  them.