"The Lost City" is a story that begins with a beautiful love, spreads suspense and makes people think deeply. Zhao Po (Guo Xiaoran), a poor college student, secretly loves Yin Qi (Siran Ge), a rich female college student whose beauty and wisdom coexist, but his identity difference makes him feel inferior and afraid to confess. An accidental meeting lets him know the pure hair salon shampoo sister Gan Xiu (Huo Siyan), and they are in the same boat. Soon after, during a trip organized by fellow villagers, Zhao Po witnessed the mysterious disappearance of Gan Xiu after being insulted by fellow villagers, and her nerves were greatly stimulated. He was cowardly and began a long journey of atonement. ...