在阿塔坎的血腥传说中，勇者与恶魔的决战注定改变命运。五母女同床共夫

　　Atakan is a bloody boulder, a giant granite block, on which pagans sacrificed human sacrifices for centuries. A group of student historians, led by a young teacher, descend into the dungeons of St. Petersburg to find the legendary stone. With each step, the situation gets out of control, only death awaits them. The attack craves new blood. Who will survive?