The story follows Sima Cong, who is blackmailed by a wealthy Thai businessman, Master Xiang, to go 10,000 metres below the Caveman Mountain to find out the whereabouts of the Golden Spider City.
Liu Lincheng
Sima Cong
Chen Mengqi
Sima Hui
Ning Xiaohua
Lord Xiang
Sasha
Lisa
Mao Fan
Professor Chen
Sang Ping
Muscular Man
