Two brothers, Jo Youngmin and Kwangmin were identical twins.
To find the right girl who will be able to tell them apart easily, Kwangmin always mimics his brother from his clothes to hair style to personality.
When he finds out his brother is interested in someone and asks her out, Kwangmin wants to test her.
He decides to date her too.
Will Han Seul Mi be able tell the two apart?
Or will she fail Kwangmin’s test?