How could twin sisters be such polar opposites? Kwon Shi Ah is the beautiful sister, gorgeous in every way and a member of the popular girl group known as Miracle Girls. Since she was in preschool, Shia has worked as a model and then a teen actress before becoming an idol. Her fraternal twin sister, Shi Yeon, is almost double the body size of Shi Ah and has always been ridiculed and bullied in school for her large frame. Because of this, Shi Yeon has become a recluse, who prefers staying home and producing an Internet broadcast within the safety of her room. The only time Shi Yeon ventures out is to visit a mysterious tarot card reader who gives Shi Yeon a magical tarot card every day. But the twin sisters’ lives are turned upside down when they wake up one day and realize that their souls have switched bodies! What will an idol musician and Shi Yeon’s high school crush think of the women they thought they knew?
Episode 1
Fraternal twins Si-yeon and Si-ah couldn't be more different. One never wants to leave her room while the other is a big K-pop star.
Episode 2
A new semester begins, but Si-yeon is already counting down the days to the end. Si-ah shoots a commercial with her not-so-collaborative partner.
Episode 3
To reverse the magical mishap, Si-yeon goes back to visit the tarot card reader with Si-ah -- but bad news awaits them.
Episode 4
On the first day of living each other's lives, Si-ah runs into a group of schoolmates and Si-yeon messes up on stage.
Episode 5
Si-ah's singing ability tops the list of search keywords on the internet, but she's not thrilled about it. She also gets a surprising text message.
Episode 6
Gyo-seok and his gang keep testing Si-ah's patience. Meanwhile, Si-yeon and Hae-seong secretly meet up at the rooftop, but someone is watching them.
Episode 7
About two weeks remain until the tarot master is supposed to come back, but while Si-ah looks forward to that day, Si-yeon dreads it.
Episode 8
Si-yeon makes up her mind to enjoy the remaining days to the fullest. Si-ah makes a big mistake while fooling around in Si-yeon's room.
Episode 9
After finally realizing the truth behind recent events, Si-yeon gets scared and starts looking forward to the tarot master's return.
Episode 10
Hae-seong holds a press conference to answer accusations of plagiarism, but dramatic breaking news grabs everyone's attention.
Episode 11
When Si-yeon goes back to the tarot shop, she is greeted by an unfamiliar woman who explains the necklace to her.
Episode 12
With sincere hearts, Si-yeon and Si-ah try to return things to the way they were -- but it doesn't go quite as they planned.
