Last years of Yuan dynasty. Turbulent times of rebels and cuthroats. Teenage Zhang Sanfeng (later, greatest tai chi master) becomes a companion for Qiu Chuji from Dragon Gate School. They have to fulfill the King Timur's task and find the dragon vein of Southern Song Kingdom.

During the Northern Song Dynasty old monk Zhishan adopted an abandoned baby with a scar on the baby's belly, "Son of Wang Wen of Dongchang". Zhishan discovered that the baby was half-human and half-fox, and decided to adopt him and teach him to be kind. He named the baby Wang Zi and taught Wang Zi to recite sutras and meditate daily.