Chu Chenying, a disciple of a famous sect, traveled around the world under the order of her master. She met Murong Yunyun, a savage girl in the West Lake of Hangzhou, and found out that Murong was carrying the missing treasure of the sect, the Longyou Sword. However, they found that the sword was a fake. The two rushed to Murong's house in Sichuan to seek the truth. Along the way, Chu Chenying was led into one trap after another, and gradually discovered a shocking secret about herself...