Synopsis：At the birthday banquet, the Crown Prince sent four female assassins to kill Prince Ping in order to secure his own position. However, unexpectedly, the trapped beast grew enraged during the confrontation and began attacking the guests. To protect the Crown Prince, Feng Shanyun, Feng Zheng, and Feng Qi ignored Feng Lingluo's objections and fought the beastmen. Feng Shanyun was killed, and the other two were exposed. This created a rift between the sisters. To prevent Prince Ping from investigating the case, the Crown Prince ordered Feng Lingluo to go undercover in Prince Ping's residence.