Hundred of years after the war between the Fire Tribe and the Ice Tribe, the second prince of the Fire Tribe is mysteriously killed during his visit to the Ice Tribe for prince Ka Suo's coming-of-age ceremony and the Fire King Huo Yi uses this as an excuse to start a second war between the two tribes.

With their family captured, the two Ice Princes Ka Suo and Ying Kong Shi escape to the mortal world and seek help from realm guardian Li Luo, in order to obtain the Six Tribes' Ice Crystals that will save the Ice Tribe.