| No. |
Song Title |
Artist
|
| 1. |
Recollection |
Jo Young Wook (조영욱), Yum Hee Soo (염희수)
|
| 2. |
Bakery |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 3. |
Title Nine Puzzles |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 4. |
Investigation |
Jo Young Wook (조영욱), Shin Hyun Ji (신현지)
|
| 5. |
Investigation in the APT |
Jo Young Wook (조영욱), Jo Hyun Woo (조현우)
|
| 6. |
Recordings |
Jo Young Wook (조영욱), Shin Hyun Ji (신현지)
|
| 7. |
Internal Investigation |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 8. |
The Alibi |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 9. |
Guest Lecture |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 10. |
Home Alone |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 11. |
Fragmented Memory |
Jo Young Wook (조영욱), Yum Hee Soo (염희수)
|
| 12. |
Joining |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 13. |
CCTV |
Jo Young Wook (조영욱), Jo Hyun Woo (조현우)
|
| 14. |
Conspiracy |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 15. |
Abandonment of a Corpse |
Jo Young Wook (조영욱), Shin Hyun Ji (신현지)
|
| 16. |
Searching |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 17. |
Crime Scene |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 18. |
The Dream |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 19. |
Just Curious |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 20. |
Role Play |
Jo Young Wook (조영욱), Yum Hee Soo (염희수)
|
| 21. |
The Inscrutable Girl |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 22. |
Unexpected Puzzle |
Jo Young Wook (조영욱), Yum Hee Soo (염희수)
|
| 23. |
Suspect Kim Kap Je |
Jo Young Wook (조영욱), Jo Hyun Woo (조현우)
|
| 24. |
The Last Drinking Session |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 25. |
The Third Puzzle |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 26. |
What are these |
Jo Young Wook (조영욱), Jo Hyun Woo (조현우)
|
| 27. |
Suspicious Do Yun Su |
Jo Young Wook (조영욱), Jo Hyun Woo (조현우)
|
| 28. |
Box |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 29. |
The Fourth Puzzle |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 30. |
Room 2802 |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 31. |
The First Landlord |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 32. |
Courage To Uncover |
Jo Young Wook (조영욱), Yum Hee Soo (염희수)
|
| 33. |
Silence of Ina |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 34. |
Suspicion |
Jo Young Wook (조영욱), Shin Hyun Ji (신현지)
|
| 35. |
Connecting Link |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 36. |
Hypnosis Investigation |
Jo Young Wook (조영욱), Shin Hyun Ji (신현지)
|
| 37. |
Don't Forget the Victim |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 38. |
You Never Killed Anybody |
Jo Young Wook (조영욱), Yum Hee Soo (염희수)
|
| 39. |
Heart Arrest |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 40. |
Regretful |
Jo Young Wook (조영욱), Yum Hee Soo (염희수)
|
| 41. |
Roof |
Jo Young Wook (조영욱), Kwon So Hyun (권소현)
|
| 42. |
The Beginning of a Story |
Jo Young Wook (조영욱), Yum Hee Soo (염희수)
|
| 43. |
Memory of the Past |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
| 44. |
Unbearable |
Jo Young Wook (조영욱), Yum Hee Soo (염희수)
|
| 45. |
Burnt Carousel |
Jo Young Wook (조영욱), Yum Hee Soo (염희수)
|
| 46. |
New Puzzle |
Jo Young Wook (조영욱), Son Seung Il (손승일)
|
