Nami is a newlywed wife who hides her past as a Secret Agent. At the end of the drama series, the identity of her husband is revealed that he works for the Public Security Bureau, and the marriage is a cover to keep her under surveillance.

In the movie, Nami wakes up with no memory of her past, and finds herself as a newlywed living in a regional city with her husband. Their life is simple, peaceful and happy, but if her memory returns, she must cooperate with the Bureau or die. The city where they live is invigorated by the discovery of a new energy source, but one day they find out that there is a big evil scheme by the advocates and a statelevel secret behind. When Nami finds out that her friend is harmed, her instincts awaken!!

Faced with the ultimate decision, what does the wife set out to do?