Programmer Luo Wei Wei accidentally enters the world of murder mystery game as Princess Luo Yun Xi of the Nanjiang Kingdom! She is given a mysterious mission: to help Lord Mu of the Beisheng Kingdom ascend to the throne! Luo Yun Xi successfully solves the assassin who is sent to assassin Lord Mu and gains his favor, but she is drawn into a shocking conspiracy between the Nanjiang Kingdom and the Beisheng Kingdom…