Shaoyu actually has acrophobia because of childhood accident, but at the last moment, he gets over his fear and catches his two friends. Tianming manages to pass the level and open the road that leads across the abyss. The children see the murals about Jing Ke assassinating the Qin Emperor. Shaoyu tells the story that no one survives Jing Ke's attack, but it's a mystery why the emperor survives. Chilian uses her poison to torture Duanmu Rong. Rong and the other Mohists gesture that they'll kill themselves if their friends try to rescue them. The three fall into a trap with rotating blades around them, and a fabulous music box in front of them.
墨家禁地内，天明、少羽和高月三人将通过机关“猿飞”，天明首个挑战，却在途中遇到危险，少羽仿佛心中有事，令天明和月儿险些丧命。面对万丈深崖的“猿飞”，少羽最终克服了自身恐高的心理，与天明、高月一起度过了危机。三人在禁地内看到了当年荆轲刺秦的壁画，心中不禁疑惑丛生。与此同时，公输仇再次使出机关兽，准备闯入禁地。
