Season 1
A traumatic childhood experience leaves Cha Do Hyun, suffering from memory loss and dissociation. The latter has resulted in the creation of seven distinct personalities. Wanting to regain control over his life, he asks Oh Ri Jin, a first-year psychiatric resident, to help him, but she eventually falls in love with one of his personalities. Ri Jin’s twin brother, Oh Ri On, a famous mystery novelist, investigates Do Hyun and his family.
Episodes
1 I don’t even know yet… how many persons are there living inside me. Jan 7, 2015 
2 You can never forget my different eyes! Jan 8, 2015 
3 If Se Gi approached Oh Ri Jin with the intention of getting rid of me… Jan 14, 2015 
4 Just continue living like that, as if you’re not there. Jan 15, 2015 
5 Try to recall, what happened between you and that lady? Jan 21, 2015 
6 Who are you? Jan 22, 2015 
7 If you want to save me so badly, then you shouldn’t be late. Jan 28, 2015 
8 You must not lose Yo Na at any cost! Jan 29, 2015 
9 Turning the fate into destiny... that’s my third mistake. Feb 4, 2015 
10 The memory that only you can remember... am I there inside it? Feb 5, 2015 
11 Show me and persuade me with your charms. Feb 11, 2015 
12 If you did it, then I will do it too. Because you’ll become me soon! Feb 12, 2015 
13 It’s Ahn Yo Na’s world from now on! Oppa~! Feb 18, 2015 
14 I’ll find out about everything that had happened! Feb 19, 2015 
15 Living the rest of my life to atone for the sin won’t be enough; you’re the person covered with the wounds. Feb 25, 2015 
16 I will remember this for a long time. Feb 26, 2015 
17 Please don’t hit Do Hyun! Mar 4, 2015 
18 Let’s run away..first, from the terrifying memories. Mar 5, 2015 
19 Who would despise those two people the most? Mar 11, 2015 
20 Should we open the bag? Mar 12, 2015