Tang Lang, the killer of the Wasp Group, resolutely took on the last difficult task in order to regain his freedom - to assassinate Liang Yikuang, the minister of the Jin Kingdom's official department. With the help of his junior sister Liu Qingqing, they pretended to be brothers and sisters and lived in Jindu. Recommended by Liang Yikuang's friends, Tang Lang worked in the Liang Mansion. At Liang Yikuang's birthday party, he wanted to take advantage of the chaos and raised his hand to kill Liang Yikuang, but Liang Yikuang fell down and avoided it. The opportunity is fleeting, but time is imminent. Tang Lang is thinking hard, but on a Lantern Festival night, people go out to enjoy the lanterns. This just creates the best opportunity for Tang Lang. Can he seize it? The story has twists and turns, and the ending is even more unexpected. This book also has a sequel "Eunuch·Toutuo·Sword".