Agroupoftiredcommutershavecaughtthelasttrainhome,readytohopintotheirbedsforthenight.However,theirtrainsoonveersoff-courseandcrashesintoanabandonedtunnel.Thethreesurvivingcommuters;withdrawnmotherYiLing,hersonLucas,andstudentJanice,areforcedtobandtogetherandsurvivethenight,aswellasavoidthemysteriousmonsterhuntingthem...故事陈述如铁壁(bì )般的(de )女强人OL×究极的猫系夫君凝集心灵的家庭香苦(tián )剧院、石川恋表演孤介的30岁OL森川蓝、斋藤建表演16岁的猫系好少年远家凪沙。