In the second year of Yongle, the Nanyue Kingdom, which is famous for its opera, presented its carefully cultivated actor Qin Zhe to the Dongling Kingdom in order to have good relations with the Dongling Kingdom. On that day, Ji Lanxiao, the eldest princess of Zhaoning of the Dongling Kingdom, fell into deep self-blame for killing the second prince of the Nanyue Kingdom in an accident during her childhood. Around him, while getting along day after day, Ji Lanxiao discovered that this actor who always had a smile on his lips seemed to be secretly investigating an old case many years ago just like him. Later, Qin Zhe designed the two to join forces, but their relationship slowly changed... "Qin Zhe, do you know that you are committing the following crime?" "Then... Is the princess willing to kill me?"
Mission: Keep striving for self-improvement, never give up, be patriotic, and live for love