Liu Chunhe, suffering from cerebral palsy, bravely breaks through the shackles of body and mind to realize the dream stage for his grandmother, while trying to find the coordinates of his own life. After experiencing a summer transformation, he finally embarked on a new journey.
Under Genghis Khan, the Mongolian army pushes west to destroy the Jin Dynasty, setting its sights on the Song Dynasty next. Amid internal conflicts among martial arts schools, Guo Jing unites the Central Plains' warriors to defend Xiangyang, embodying courage and loyalty in the fight for the nation.
Set in the 1980s, troubled youth Chan Lok-kwun accidentally enters the Walled City, discovers the order amidst its chaos, and learns important life lessons along the way. In the Walled City, he becomes close friends with Shin, Twelfth Master and AV. Under the leadership of Cyclone, they resist against the invasion of villain Mr. Big in a series of fierce battles. Together, they vow to protect the safe haven that is Kowloon Walled City.