深陷恐惧的漩涡，心灵在黑暗中挣扎，无法挣脱无形的束缚。玻璃楼梯

　　Paris, the 1980s. Three students decide to celebrate their graduation with a visit of the Paris catacombs. But something, someone, is hunting them. Trapped deep underground, the group needs to get out before it's too late...