Mei Shiqi is a junior Secret Guard in the Secret Guards Department. She is young and frivolous, and her life goal is to gain the respect of her superior, be promoted to a special-grade Secret Guard, earn a million dollars in silver, and find a husband who meets her standards. However, due to her relatively low qualifications, she has neither been able to find opportunities to showcase her prowess nor meet a husband who meets her requirements and loves her. Emperor Yu's favorite concubine Lady Chen dies unexpectedly, shocking both the court and the public. He orders the Secret Guards to investigate the case secretly. Because the palace is involved, there are many inconveniences for male Secret Guards. Mei Shiqi bravely recommends herself, and after much persuading, a military order is issued and she finally gets the job. The senior brothers are all worried she would be torn to pieces by Leng Moyan, the ruthless Vice Minister of the Investigation Bureau. Sure enough, Leng Moyan, who is Emperor Yu’s personal bodyguard, is extremely sinister and paranoid. He doesn’t trust the Secret Guards Department at all, let alone this young and inexperienced girl. Mei Shiqi works hard to investigate the case with passion, but is repeatedly scorned, ostracized, and hindered by Leng Moyan, which enrages her very much....

Bai Yinqi, the handsome and intelligent king of Xumi State, ascends the throne at a young age, but becomes a mere figurehead under the control of a powerful high official who intends to assassinate him. During several unsuccessful assassinations, the king falls for a female assassin, Yu Yan. In one assassination, he and his loyal bodyguard, Tian Xiaoli, fights against her together. Unexpectedly, they travel into the modern society in 2018 due to a mysterious watch. Bai Yinqi becomes the sole heir of Bai Group as a bastard, still beset with crisis. Luckily, Tian Xiaoli is always at his side. He meets Yu Yan again, but she doesn’t remember him. Therefore, the king steps on the road to the peak of power both in modern and ancient societies. Meanwhile, he tries to win the heart of his beloved girl....

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