Two elite National Security System (NSS) agents, Hyung Jun and Sa Woo who were sworn blood brothers, both fall for fellow agent Seung Hee. Sa Woo attempts to suppress his feelings for Seung Hee and wishes the couple the best.
| # | Title | Airdate |
|---|---|---|
| 1 | Oct 14, 2009 | |
| 2 | Oct 15, 2009 | |
| 3 | Oct 21, 2009 | |
| 4 | Oct 22, 2009 | |
| 5 | Oct 28, 2009 | |
| 6 | Oct 29, 2009 | |
| 7 | Nov 4, 2009 | |
| 8 | Nov 5, 2009 | |
| 9 | Nov 11, 2009 | |
| 10 | Nov 12, 2009 | |
| 11 | Nov 18, 2009 | |
| 12 | Nov 19, 2009 | |
| 13 | Nov 25, 2009 | |
| 14 | Nov 26, 2009 | |
| 15 | Dec 2, 2009 | |
| 16 | Dec 3, 2009 | |
| 17 | Dec 9, 2009 | |
| 18 | Dec 10, 2009 | |
| 19 | Dec 16, 2009 | |
| 20 | Dec 17, 2009 |
| # | Title | Airdate |
|---|---|---|
| 1 | Feb 13, 2013 | |
| 2 | Feb 14, 2013 | |
| 3 | Feb 20, 2013 | |
| 4 | Feb 21, 2013 | |
| 5 | Feb 27, 2013 | |
| 6 | Feb 28, 2013 | |
| 7 | Mar 6, 2013 | |
| 8 | Mar 7, 2013 | |
| 9 | Mar 13, 2013 | |
| 10 | Mar 14, 2013 | |
| 11 | Mar 20, 2013 | |
| 12 | Mar 21, 2013 | |
| 13 | Mar 27, 2013 | |
| 14 | Mar 28, 2013 | |
| 15 | Apr 3, 2013 | |
| 16 | Apr 4, 2013 | |
| 17 | Apr 10, 2013 | |
| 18 | Apr 11, 2013 | |
| 19 | Apr 17, 2013 | |
| 20 | Apr 18, 2013 |