S1 • E1
Young CEO Joo Won mistakes stunt double Ra Im for leading actress Jae Rin, thereby meeting a girl who'll stand up to him for the first time.
S1 • E2
Joo Won finds his thoughts returning to Ra Im and must see her again, but she finds him only irritating, infuriating and embarrassing.
S1 • E3
With his identity revealed to the filmmakers, Joo Won expects Ra Im to kowtow to him as others do, not to want nothing more to do with him.
S1 • E4
Ra Im finds herself the 3rd-place winner in Joo Won's department store contest - surprising since she never entered it.
S1 • E5
Complicated relationships continue to twist among visitors to Jeju Island, where Joo Won and Ra Im stumble upon medicinal wines with a very unusual property.
S1 • E6
Gil Ra Im an Kim Joo Won awaken to find themselves in each other's body.
S1 • E7
To keep their identity-switch secret, Ra Im and Joo Won begin living in each other's world.
S1 • E8
Joo Won, Ra Im, Oska and Yeun-Sul all play a loose social game of pushing each others' buttons via fake ovations of romantic interest and flirtation.
S1 • E9
Having switched back to their own bodies, Joo Won and Ra Im start disentangling the mess they've made of each other's lives.
S1 • E10
Still obsessed with Ra Im, Joo Won enacts a plan to tire himself of her by saturating all his free time with her presence - a game plan Ra Im finds most annoying.
S1 • E11
As Joo Won's behavior, present and past, continues to aggravate Ra Im, conspiracies form to remove Joo Won as company president and lead him into a loveless marriage.
S1 • E12
Questioning Joo Won's behavior, Boon Hong decides to announce her son's forthcoming wedding, which Joo Won recognizes as part of Yeun-Sul's vindictiveness against Oska.
S1 • E13
A box of Joo Won's underwear found in Ra Im's apartment seemingly confirms Boon Hong's worse fears, giving her plenty to say to both Ra Im and Joo Won.
S1 • E14
Ra Im and Joo Won finds themselves switched again, but though better at passing themselves off as each other, two of their closest friends discern their secret.
S1 • E15
With their bodies switched, Joo Won agrees to attend Ra Im's audition date for 'Dark Blood' - but with one stipulation. Meanwhile, Oska owns up for past actions with an apology campaign.
S1 • E16
Surviving his nearly fatal attack, Joo Won sets about to salvage Ra Im's audition and ferret out those responsible for stalling his elevator. From this incident, a small bit of his lost memory returns.
S1 • E17
A serious accident (perhaps one fated to be received - which might explain why paranormal activity befell Ra Im) leads Joo Won toward making a supreme sacrifice.
S1 • E18
As Oska mourns the loss of his cousin, Gil Ik Seon lifts the enchantment, but it leaves Joo Won condemned to repeat his recent past.
S1 • E19
With Joo Won's adult memories locked away in his subconscious, Boon-Hong makes another bold stab to permanently crowbar Ra Im out of her son's life.
S1 • E20
Boon-Hong admits defeat in keeping Joo-Won and Ra-Im apart but proves to be an imperviously resolute sore loser.
Gil Ra Im
Kim Joo Won
Yeun-Sul
Lim Jong Su
Lim Ah Young
Kim Sung-Oh
Moon Boon-Hong
Hwang Jung-hwan
Han Tae sun 'Ssun'
Park Bong-Ho