Once Upon a Time in China IV

Between the heaven and the Earth exist the Zu's mountain range, where live the immortals of Omei, the highest mountain of Zu, but the kingdom is in danger by Amnesia,...

Three seemingly very different lives come together in the most surprising ways. Qiao Feng (Wallace Chung) is a beggar leader. Duan Yu (Kim Ki Bum) is the Dali Prince. Xu Zhu (Han Dong) is a Shaolin monk.

Set in an Eastern fantasy setting, Dan Fei and her brother, guardians of a sword known as the Tian Xíng Jin, are pursued by the evil Xuan Gui Zong clan, who seek to obtain the sword for their master, Mie Tian Hai. While her brother is defeated, Fei, who possesses the sword's crossguard, escapes and finds herself in the care of the wandering swordsman, Shang Bu Huan, and a mysterious man named Lin Xu Ya, who become her protectors from the pursuing Xuan Gui Zong clan.

The story takes place a month after Ko One remember, where the great battle in the iron dimension is still ongoing. simultaneously in the gold dimension, there was a huge storm in the seams of dimensions. some were swallowed by the darkness, Gu Zhan (Wes Lo) was seriously injured, leaving Qiu Qiu (Yu-Fei Wen) to blame herself. With the ultimate class falling apart, it uncovers the battle between the gold dimension and the darkness. The legendary Ya Se Wang (Calvin Chen) has returned as the new class teacher, determined to lead the students into university. The cold commander Lan Si Luo (Evan Ma), the world's weakest high-schooler Xiao Hu (Zhongxi Jin), Wan Shuang Long (Sam Lin) who was released from prison after being wanted everywhere, all fight for the new position as the class leader, the reopening of the Martial Arts Syndicate, the mask that the evil guy behind-the-scenes keeps borrowing, powers are about to shuffle around.

Fourth installment of KO ONE: Continues the story where KO One Re-act left off: Lei Ting suddenly went missing after she and Xiu were lured back from the Iron Dimension by a fake message and attacked upon arrival by unknown forces. So how did Lei Ting (King) disappear? The KO one class no longer has its leader, so Gu Zhan and Zhi Ge, despite their brotherhood, fight. Who is the leader of the KO one class? The KO one class initially suspected the three Students from Little Apple High School of the kidnapping and fought against them. Later, they found King through another lead. But she was no longer the same King they knew and she seems to had amnesia. In the meantime, Duan Chang Ren also has gone missing. And Zhi Ge's father had a spy monitoring the class. A while later the three students from Xiao Ping Guo (Little Apple) High School - Zhi, Liu Chen, and Tai Yang transfers to Ba Le High School, the KO One class. Are they friends or enemy?

As the 7th duke, Yin Chen (Joe Cheng Yuan Chang) has the ability to wield the power of the wind, fire, water, and earth. As he tries to protect his disciple Qi Ling (Ming'en Zhang), he uncovers an earth-shattering secret.