Two friends, members of the South Korean military, are recruited by a secret black ops agency.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2009-10-14 | 60 min |
| Season 1 | Episode 2 | Episode 2 | 2009-10-15 | 60 min |
| Season 1 | Episode 3 | Episode 3 | 2009-10-21 | 60 min |
| Season 1 | Episode 4 | Episode 4 | 2009-10-22 | 60 min |
| Season 1 | Episode 5 | Episode 5 | 2009-10-28 | 60 min |
| Season 1 | Episode 6 | Episode 6 | 2009-10-29 | 60 min |
| Season 1 | Episode 7 | Episode 7 | 2009-11-04 | 60 min |
| Season 1 | Episode 8 | Episode 8 | 2009-11-05 | 60 min |
| Season 1 | Episode 9 | Episode 9 | 2009-11-11 | 60 min |
| Season 1 | Episode 10 | Episode 10 | 2009-11-12 | 60 min |
| Season 1 | Episode 11 | Episode 11 | 2009-11-18 | 60 min |
| Season 1 | Episode 12 | Episode 12 | 2009-11-19 | 60 min |
| Season 1 | Episode 13 | Episode 13 | 2009-11-25 | 60 min |
| Season 1 | Episode 14 | Episode 14 | 2009-11-26 | 60 min |
| Season 1 | Episode 15 | Episode 15 | 2009-12-02 | 60 min |
| Season 1 | Episode 16 | Episode 16 | 2009-12-03 | 60 min |
| Season 1 | Episode 17 | Episode 17 | 2009-12-09 | 60 min |
| Season 1 | Episode 18 | Episode 18 | 2009-12-10 | 60 min |
| Season 1 | Episode 19 | Episode 19 | 2009-12-16 | 60 min |
| Season 1 | Episode 20 | Episode 20 | 2009-12-17 | 60 min |
| Season 2 | Episode 1 | Episode 1 | 2013-02-13 | 60 min |
| Season 2 | Episode 2 | Episode 2 | 2013-02-14 | 60 min |
| Season 2 | Episode 3 | Episode 3 | 2013-02-20 | 60 min |
| Season 2 | Episode 4 | Episode 4 | 2013-02-21 | 60 min |
| Season 2 | Episode 5 | Episode 5 | 2013-02-27 | 60 min |
| Season 2 | Episode 6 | Episode 6 | 2013-02-28 | 60 min |
| Season 2 | Episode 7 | Episode 7 | 2013-03-06 | 60 min |
| Season 2 | Episode 8 | Episode 8 | 2013-03-07 | 60 min |
| Season 2 | Episode 9 | Episode 9 | 2013-03-13 | 60 min |
| Season 2 | Episode 10 | Episode 10 | 2013-03-14 | 60 min |
| Season 2 | Episode 11 | Episode 11 | 2013-03-20 | 60 min |
| Season 2 | Episode 12 | Episode 12 | 2013-03-21 | 60 min |
| Season 2 | Episode 13 | Episode 13 | 2013-03-27 | 60 min |
| Season 2 | Episode 14 | Episode 14 | 2013-03-28 | 60 min |
| Season 2 | Episode 15 | Episode 15 | 2013-04-03 | 60 min |
| Season 2 | Episode 16 | Episode 16 | 2013-04-04 | 60 min |
| Season 2 | Episode 17 | Episode 17 | 2013-04-10 | 60 min |
| Season 2 | Episode 18 | Episode 18 | 2013-04-11 | 60 min |
| Season 2 | Episode 19 | Episode 19 | 2013-04-17 | 60 min |
| Season 2 | Episode 20 | Episode 20 | 2013-04-18 | 60 min |
