剧情：
Agroupofformermilitaryelitessetouttoexploreanunchartedabyss,notknowingtheirworstnightmareiswaitingforthemdeepbeneaththeground.
Agroupofformermilitaryelitessetouttoexploreanunchartedabyss,notknowingtheirworstnightmareiswaitingforthemdeepbeneaththeground.