The orphan Ajin rescued the former Qin prince Chi Yunyan by chance. Do you think this is another story about the orphan's transformation? That's wrong! The Crown Prince left forever, and Ajin also happened to enter Huayue Tower and became a killer. Time passed by, and Ajin met the Crown Prince again. She originally thought that the failed marriage many years ago could be reunited, but after experiencing all kinds of things, Ajin... Only then did she realize that even though she loved him deeply, there was always Feng Xuege, Chi Yunyan's childhood sweetheart, between her and him, across the Jin Kingdom's general Xie Xun, across the powerful Huayue Tower, across the world between Qin and Jin, across the entire world...