The Zhang family’s 401st Unit has mysteriously vanished. In search of the missing unit, Zhang Qi Shan joins forces with Wu Lao Gou, Huo Xian Gu and Qi Tie Zui of the Nine Gates to enter the World-Parting Tower. Within the tower, they encounter a web of traps, a series of eerie events and a distortion of time and space... With a storm brewing, Zhang Qi Shan finds himself pitted against multiple factions. What fate awaits the Nine Gates...?
Eldest daughter Ye Li marries the disabled Prince Mo Xiu Yao, while her sister Ye Ying weds Prince Mo Jing Li the same day. A descendant of Lishan, Ye Li secretly seeks revenge on those who wronged her clan. Suspected by her husband, who also hides a revenge plan, the couple gradually become allies. Meanwhile, Prince Jing Li plots to seize the throne. In the end, Ye Li and Mo Xiu Yao join forces to defeat their enemies and restore peace to the empire.
In Guangping City, where humans and demons coexist, Ban Xia, a wealthy girl with the rare ability to see demons' true forms, is deemed delusional by her family. After exposing her cousin’s bride as a demon, she’s forced to flee and meets demon hunter Xuan Ye. He helps her see the hidden world more clearly and reveals not all demons are evil. As they investigate her father's mysterious death and other strange events, their bond deepens. But Xuan Ye's buried past and a shocking truth about his identity threaten to tear them apart.
