Shen Liluo and Mu Qingge were adopted as children by the leader of the dark web and raised to become assassins. Shen Liluo is ranked number one on the assassin list, a master of both medicine and poison. By day, she poses as a surgeon, and she loves good food. Mu Qingge is ranked fifth among assassins and specializes in weapons development. Her public identity is that of an award-winning actress, and she loves reading novels about domineering CEOs.
The two unexpectedly transmigrate into an ancient novel whose characters share their names. There, they meet the legendary Prince Regent Xiao Jingheng, a cold-blooded man said to have killed countless people, as well as the ruthless Emperor Xiao Jingyan.
After going through a series of events, the four support one another and ultimately confess their feelings.
