At the Wulong Martial Academy, disciples train daily in martial arts. Li Xiuyuan arrives with the treasure orb from the Bronze Cauldron, drawing the attention of the Black and White Twin Killers and the martial artist Xie Shen. Xie Shen manipulates the Twin Killers into stealing the cauldron and the orb, and kidnapping the sisters guarding them. Four disciples train hard to master the lost Four Symbols Formation. In a final showdown, they defeat Xie Shen, rescue the hostages, and reclaim the treasure. Amid the clash between good and evil, the thousand-year-old secret of martial arts is finally revealed