xiumin and miseoke are identical twin sister

miseoke have spent her whole life living under the shadow of her twin sister xiumin but she doesn't seem to mind.

in fact, she feel proud seeing her sister becoming more and more popular even when she almost become non-existent to the world. 

however, after a fight , xiumin and miseoke both got into a accident. the accident leave xiumin dead and miseoke with a broken arm. miseoke woke up surrounded by family and friend that believe she was xiumin.

miseoke is left with two option: tell the truth that she miseoke and disappoint everyone else or live in a world full of lie and give up on her dream and pretend to be her popular twin sistar, xiumin.