The girl group Maschera, who burst into a big hit as soon as they debuted, and Anita, who is popular with her gorgeous appearance and manners among the members, is also selected as the main character of the drama with successive successes and endures excessive public interest in the name of popularity and love.

After the filming is over, Anita who arrives at home and opens the refrigerator and puts food in his mouth. Next to her is a mask. The real identity of the pretty and slim popular idol Anita was an ugly and fat cherry.

At a call from the manager, Daepyo Ma, Cherry puts a mask on her face as if she has become a superhero, then turns into a pretty Anita and goes to the set. A year ago, Cherry, a fat and ugly aspiring actor, had unrequited love for Yuno, the owner of a dessert shop, but he already had a beautiful lover.

Yuno proposes to her beloved lover Seonwoo, but that very day Seonwoo dies in a car accident, and Yuno closes the door due to the shock and wanders away from the store again after a year.

He was about to start anew, and Anita, who looks exactly like Seonwoo, appears in front of him, and he learns that he is a famous girl group.

Cherry knows that a mask with an expiration date has terrifying precautions, Anita who received a confession from Yuno one day before the expiration date,

what choice should she choose? There is only one day left to decide...