Yudu is a perfumer and the best "passenger" in the world. Collect money to do things and never fail. She accepted a deal: to replace Kou Wantang, the daughter of a wealthy businessman who fell into the water, marry Yan Heqing, the governor of Zhenbei, and steal a secret book hidden in his study.
Two liars. A fraudulent marriage. She lied to him about her identity, and he lied to her about not being alone anymore.
