Air date: 2018-05-25

Runtime: 78 min

Kang Dong Soo meets Yoo Shi Hyun when she mysteriously shows up and saves his life. When he finds a sketch of a ring he recognizes in her notebook, Dong Soo goes looking for Shi Hyun.

Air date: 2018-05-26

Runtime: 76 min

Air date: 2018-06-01

Runtime: 67 min

Air date: 2018-06-02

Runtime: 71 min

The team struggles to locate Dong Soo before he does something drastic.

Air date: 2018-06-08

Runtime: 64 min

Air date: 2018-06-09

Runtime: 64 min

Nam Sun Ho puts his plan in motion. Chief Moon agrees to join forces with Dong Soo for this case.

Air date: 2018-06-15

Runtime: 74 min

Nam Sun Ho's plan does not work out the way he expected. The team has a new case.

Air date: 2018-06-16

Runtime: 63 min

Dong Soo thinks he has figured out what is going on until Baek Woo Jin tells him that there is much more to it.

Air date: 2018-06-22

Runtime: 63 min

The team tries to figure out how they are going to find Tae Joon's notebook, but does it hold the answers they are looking for?

Air date: 2018-06-23

Runtime: 61 min

Tae Joon offers Do Jin an opportunity to meet the man in charge. Shi Hyun has to decide what she is willing to sacrifice for her brother.

Air date: 2018-06-29

Runtime: 64 min

Dong Soo and Shi Hyun investigate a case from 20 years ago and race to stop Do Jin.

Air date: 2018-06-30

Runtime: 67 min

Park Moon Ki asks to meet the Elder. Shi Hyun draws the funeral of someone on the team.

Air date: 2018-07-06

Runtime: 73 min

Dong Soo and Shi Hyun try to find out what Yoon Sung Soo knows. Park Moon Ki demands answers.

Air date: 2018-07-07

Runtime: 68 min

Dong Soo tells Young Shim his theory. Now they need to find some evidence to back it up.

Air date: 2018-07-13

Runtime: 64 min

Tae Joon is determined to prevent Tae Wook from contacting the Elder. Park Moon Ki finally gets to meet the Elder.

Air date: 2018-07-14

Runtime: 63 min

As more facts are exposed, Shi Joon's mission becomes more and more challenging.