God of Lost Fantasy tells the story of Qin Wen Tian, a broken man who seeks revenge for the assassination of his family. He discovers and joins a renowned martial arts sect. While there, Qin Wen Tian meets the former crown prince whose brother had staged a coup and driven him out of the palace. He also joins up with the master's daughter to aid the former crown prince. Adapted from the novel Ancient Godly Monarch by Jing Wu Hen.