The minister Sima Mou assassinated the old emperor by usurping the throne, and the playful prince was also poisoned and in danger. The mysterious Zhang Tianshi appeared to save the prince, and the loyal general Gao Yunfei also escaped from the palace. The prince embarked on the road to restore the country under the guidance of Zhang Tianshi, and Gao Yunfei also summoned demon heroes everywhere as helpers to find the prince to kill treacherous courtiers. At last, there was an ultimate battle for national restoration and revenge in the imperial mausoleum.