Season 1
Ji Sung is a NIS agent working at Incheon Airport, and he is known for having sharp observation, judgment, and agility. Ji Sung falls in love with Myung Woo at a hospital he was admitted to for an injury he received during an operation, but they end up breaking up due to their career choices. After three years, he encounters Myung Woo again but becomes attracted to Do Kyung, after locking horns and resolving high-profile cases with her. Do Kyung is a confident businesswoman and the manager of the airport operation headquarters. Although Do Kyung didn't expect romance to bud from the get-go, at a certain point, she finds herself developing feelings for Ji Sung unexpectedly. However, subsequently finding out Myung Woo, who starts working as a doctor at the airport hospital, is Ji Sung's ex, she gets lost between love and friendship.
Episodes
1 에피소드 1 May 19, 2007 
2 에피소드 2 May 20, 2007 
3 에피소드 3 May 26, 2007 
4 에피소드 4 May 27, 2007 
5 에피소드 5 Jun 2, 2007 
6 에피소드 6 Jun 3, 2007 
7 에피소드 7 Jun 9, 2007 
8 에피소드 8 Jun 10, 2007 
9 에피소드 9 Jun 16, 2007 
10 에피소드 10 Jun 17, 2007 
11 에피소드 11 Jun 23, 2007 
12 에피소드 12 Jun 24, 2007 
13 에피소드 13 Jun 30, 2007 
14 에피소드 14 Jul 1, 2007 
15 에피소드 15 Jul 7, 2007 
16 에피소드 16 Jul 8, 2007