血符 (The Crimson Rune)

南国校园突发诡异的连环谋杀案。神秘符牌惊现，暗藏成吉思汗陵的下落。为保护国家宝藏，少年侦探周瞳与特别刑侦组女警探严咏洁再度联手，随成吉思汗陵的考察队，深入蒙古腹地，探寻古陵墓下落。同行的还有身份诡异的绝色美女及其追随者、蒙古达尔扈特的金刀勇士、痴迷考古的历史系尖子生......七块符牌，隐藏着陵墓的秘密，让一行人奔波于蒙古古城与大漠、草原之间。（A series of creepy murderssuddenly happen in one campus in the south. Mysterious runs show up and hide the whereabouts of Mausoleum of Genghis Khan. In order to protect the national treasures, the young detective Zhou Tong and Special Crime Unit's female detective Yan Yongjie cooperate again. Then follow the expedition of Genghis Khan, go deep into Mongolia, and explore whereabouts of Mausoleum, accompanied by beautiful lady with mysterious identity and her followers, Mongolian Dahl's Golden Knife warrior, and straight-A student of the history department who is obsessed with archaeology. Seven signs hide the secret of the Mausoleum, and let these people travel between ancient city, desert and the grass of Mongolia.）