Kim Soojung and Kim Yoojung are identical twins.

They're both trainees for a big company.

One for JYP Entertainment and the other for Starship.

What happens when Soojung wants to take a break from Starship
and asks Yoojung to take her place while she takes her at SM?

Yoojung agrees after giving into Soojung's aegyo.

But what information Soojung didn't give her will lead her into a load of trouble.