Season 1

• 

  8.3/109 votes

  Episode 1

  Season 1 Episode 1 - Aired 5/25/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.2/106 votes

  Shi Hyun convinces Jin Young to tell her story. Will Dong Soo be able to save Ji Soo?

  Season 1 Episode 2 - Aired 5/26/2018

  No description available

  Director: Unknown

  Writer: Unknown

• 

  7.8/106 votes

  Shi Hyun and her team investigate the murder. Do Jin gets his next assignment.

  Season 1 Episode 3 - Aired 6/1/2018

  No description available

  Director: Unknown

  Writer: Unknown

• 

  8.5/106 votes

  Episode 4

  Season 1 Episode 4 - Aired 6/2/2018

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

  Director: Unknown

  Writer: Unknown

• 

  8.6/105 votes

  Dong Soo agrees to help find Shi Hyun.

  Season 1 Episode 5 - Aired 6/8/2018

  No description available

  Director: Unknown

  Writer: Unknown

• 

  8.8/105 votes

  Episode 6

  Season 1 Episode 6 - Aired 6/9/2018

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

  Director: Unknown

  Writer: Unknown

• 

  8.2/105 votes

  Episode 7

  Season 1 Episode 7 - Aired 6/15/2018

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

  Director: Unknown

  Writer: Unknown

• 

  8.4/105 votes

  Episode 8

  Season 1 Episode 8 - Aired 6/16/2018

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

  Director: Unknown

  Writer: Unknown

• 

  8.6/105 votes

  Episode 9

  Season 1 Episode 9 - Aired 6/22/2018

  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?

  Director: Unknown

  Writer: Unknown

• 

  7.8/105 votes

  Episode 10

  Season 1 Episode 10 - Aired 6/23/2018

  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.

  Director: Unknown

  Writer: Unknown

• 

  8.2/105 votes

  Episode 11

  Season 1 Episode 11 - Aired 6/29/2018

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

  Director: Unknown

  Writer: Unknown

• 

  8.2/105 votes

  Episode 12

  Season 1 Episode 12 - Aired 6/30/2018

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

  Director: Unknown

  Writer: Unknown

• 

  8.2/105 votes

  Episode 13

  Season 1 Episode 13 - Aired 7/6/2018

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

  Director: Unknown

  Writer: Unknown

• 

  8.6/105 votes

  Episode 14

  Season 1 Episode 14 - Aired 7/7/2018

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

  Director: Unknown

  Writer: Unknown

• 

  N/A/100 votes

  Episode 15

  Season 1 Episode 15 - Aired 7/13/2018

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

  Director: Unknown

  Writer: Unknown

• 

  N/A/100 votes

  Episode 16

  Season 1 Episode 16 - Aired 7/14/2018

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

  Director: Unknown

  Writer: Unknown