

2009–2013 · KBS2 · Ended
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.
Wednesday, Thursday at 22:00 (Asia/Seoul)
This series has ended.
Last aired
S02E20 · Episode 20
2013-04-18
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Episode 1
2013-02-13 · 60 min
Episode 2
2013-02-14 · 60 min
Episode 3
2013-02-20 · 60 min
Episode 4
2013-02-21 · 60 min
Episode 5
2013-02-27 · 60 min
Episode 6
2013-02-28 · 60 min
Episode 7
2013-03-06 · 60 min
Episode 8
2013-03-07 · 60 min
Episode 9
2013-03-13 · 60 min
Episode 10
2013-03-14 · 60 min
Episode 11
2013-03-20 · 60 min
Episode 12
2013-03-21 · 60 min
Episode 13
2013-03-27 · 60 min
Episode 14
2013-03-28 · 60 min
Episode 15
2013-04-03 · 60 min
Episode 16
2013-04-04 · 60 min
Episode 17
2013-04-10 · 60 min
Episode 18
2013-04-11 · 60 min
Episode 19
2013-04-17 · 60 min
Episode 20
2013-04-18 · 60 min
Lee Byung Hun
Kim Hyeon Jeon
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