Giovanna is a low-key and ordinary person, dealing with accounting work in government departments and her daughter's school activities every day. Under the boring appearance, she is actually a special agent who performs various dangerous international missions. One day, she went to a high school reunion and found that all her classmates were just like her, with trivial things and troubles every day. This made her determined to help the people she loved in the next mission. Through exaggerated disguises and hilarious situations, she wants to turn her life around and bring justice to her friends!