Zhou Yuliang , the lost son of the Leader of heavenly palace sect decides to find out the truth behind his father's death.. He meets a mysterious guy named Zhang Zeng who is a fox prince. they will become partners and together looks for the truth which leads them to a new world of Mysteries. Will they be able to find out the truth??

A BL fiction about how a boy entered the imperial harem to replace his sister and end up having the Emperor fall for him