Feng Juan Ning is an orphan on the battlefield, and is burdened with a great mission because of a mysterious mark; Jie Xunkuang is the master of the Fallen Sky Pavilion, but he is a member of the royal family; Jun Lixuan is the deputy master of the Fallen Sky Pavilion, and he and Jie Xunkuang are good brothers, but their identities are a mystery. The three people have different identities and personalities, but their fate is like a thread, closely connecting them. When everything returns to peace, whose hand will Feng Qu Ning hold and who will she grow old with?