简介：一个夏日多雨的夜晚，一群年轻人来到一个由防空洞改造的名叫Phobos的俱乐部。一开始一切都很正常，但不久地堡的门突然被锁，这些年轻人被困在地下，没有光，也无法对外联系。他们先是开开玩笑，没有意识到危险的发生，接着他们开始害怕。他们不得不在离开地堡前，克服自己的恐惧。（文：life_is_good@YDY） Rainysummerevening...YoungpeoplearearrivingatthenewtrendyclubnamedPhoboswhichisstillunderconstruction.Orre-construction-sinceit'saformerbombshelterwhichisreconstructedtobecomeaclub.Atfirst,thepartyseesnothingwrong,butsoonthebunkerdoorsturnouttobelocked,andtheteenagersgettrappedundergroundwithoutlightandcommunication.Atfirst,allofthemarejokinganddonotrealizehowdangeroustheirsituationis.Thentheygetfrightened.Allofthemwillneedtocopewiththeirfearsbeforethebunkerwillletthemfree.…