Zhao Li, the Valley Master of the Ten Thousand Demon Valley, died in her past life saving the evil dragon Long Jinyuan. Jinyuan gave her his beast core and searched for her reincarnation, guarding the valley in her stead. Reincarnated as a koi, Zhao Li transformed into a dragon and was set to marry Jinyuan's brother, Long Xuanxiao. Jinyuan found her and forcefully took her. Zhao Li initially resisted, her heart still with Xuanxiao. However, she later discovered Xuanxiao coveted the Valley Master position due to a prophecy and conspired with the Dragon Mother to frame her. Zhao Li finally recovered her past memories, retook control of the valley, joined forces with Jinyuan to defeat the villains, and the two finally married.
