Bian Fangmo was considered a boy since he was a child because of the saying "Mother is more valuable than son". His mother passed away due to illness when he was fifteen years old. Later, he was framed by the queen and sent to the frontier for training. Unexpectedly, he was chased by the queen's men on the way. He unexpectedly met Li Renqiu, a swordsman who came down the mountain to train...
Li Renqiu: How could a prince end up like this?
Bian Fangmo: A swordsman is so shameless!
Purpose: Don't let love last and lose your dreams, don't let the fleeting light forget what you love.