S1·E123 Episode 123
Aired March 16, 2010
Synopsis
Se Kyung asks Jun Hyuk to go to an amusement park with her. Feeling excited, he plans to tell her how he feels about her. Meanwhile, Kwang Soo's friends throw a party on his birthday. However, In Na doesn't come to the party after she said she would. Kwang Soo tries to understand even though he is hurt.