Nie Xing Chen is the new assistant of Yan Jing Zhi. Despite meeting for the first time, she already knew the difficult daily habits of her boss. He is an arrogant CEO with a high IQ, suffers from mild obsessive-compulsive disorder, is assertive at work, pursues perfection in life, but is also a perfect man in the hearts of many girls.

In order to receive a bone marrow transplant quicker and be able to continue her career as an actress, Xia Lin enters into a secret marriage with Ling Yi Zhou, the CEO of a company. Despite the conspiracies and misunderstandings they encounter, the two find true love.

The drama tells the story of a Chinese female college student who, after swapping identities with her twin sister who is a Japanese spy, embarks on a series of events. The whole play begins with the sister attempting to infiltrate the Chinese side by replacing her sister, only to find that the sister has turned the tables on her, impersonating her in a thrilling "spy game within a game."

After his father's assassination by the Japanese, Zhong Liang becomes a revolutionary courier, risking his life to deliver vital information. Despite facing numerous challenges and losses, he remains dedicated to the cause and works alongside fellow agents to fight for the revolution.