Mu Xia is a talented locksmith. While dealing with a strange murder case within a locked room, Qin Zuo Man inadvertently discovers that Mu Xia is the new security consultant hired by the police academy. As more locked room cases arise, the simple-minded Qin Zuo Man, the monotonous Mu Xia and celebrity cop Tan You join hands to form an investigative team that seeks to uncover the truth through every door.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Standing Man | 2012-04-16 | 54 min |
| Season 1 | Episode 2 | The Locked Room | 2012-04-23 | 54 min |
| Season 1 | Episode 3 | The Labyrinth of the Board Edge | 2012-04-30 | 54 min |
| Season 1 | Episode 4 | Black Fang | 2012-05-07 | 54 min |
| Season 1 | Episode 5 | The Room That Wasn't Locked | 2012-05-14 | 54 min |
| Season 1 | Episode 6 | Locked Room Theater | 2012-05-21 | 54 min |
| Season 1 | Episode 7 | The House of Will-o'-the-Wisp | 2012-05-28 | 54 min |
| Season 1 | Episode 8 | Only the Dog Knows | 2012-06-04 | 54 min |
| Season 1 | Episode 9 | The Deceived Man | 2012-06-11 | 54 min |
| Season 1 | Episode 10 | The Glass Hammer (1) | 2012-06-18 | 54 min |
| Season 1 | Episode 11 | The Glass Hammer (2) | 2012-06-25 | 54 min |
| Directing | Gan Lu | Director |
| Production | Xie Ying | Executive Producer |
