A mysterious plane crash kills over 200 civilians, including Cha Dal Gun's nephew. Determined to find out the truth behind the accident, Cha Dal Gun embarks on an investigation that leads him to a tangled web of corruption. His life intertwines with Go Hae Ri, a covert operative for the National Intelligence Service.
E1
Cha Dal Gun encourages his nephew to go to Morocco with the taekwondo demonstration group. Go Hae Ri walks in late to a meeting at the Korean embassy.
E2
Cha Dal Gun makes a disquieting announcement to the other bereaving families and implores Go Hae Ri for help, but she seems to be hiding something.
E3
Hae Ri remains skeptical about the flightdeck voice recording but is told that the evidence points to a faulty aircraft. Dal Gun is ambushed.
E4
Dal Gun gets a call from someone out of the blue and is approached by a journalist, who claims to be pursuing a story about the plane crash.
E5
Dal Gun attempts to alert the press about what he knows - but someone interferes. Hae Ri contacts Ki Tae Woong to get answers about the flash drive.
E6
The NIS takes Dal Gun to a safe house. Tae Woong questions Oh Sang Mi about her husband's involvement in the plane crash but is ordered to release her.
E7
Dal Gun sees someone who's supposed to be dead. Hae Ri and Tae Woong head to Morocco to capture their suspect. The NIS takes Jessica Lee into custody.
E8
Dal Gun runs into trouble while trying to carry out his own search. Tae Woong is displeased that the operation in Morocco doesn't go as planned.
E9
Dal Gun and the agents try to keep Kim Woo Gi alive, and request NIS backup. Jessica moves to pin the plane crash on someone else.
E10
After running from the embassy, Dal Gun and the others head back to Korea another way. Min Jae Shik confronts Gang Joo Chul.
E11
Dal Gun and Hae Ri make contact with Jae Shik. Jessica and Yoon Han Gi see a big win at the National Assembly. Tae Woong undergoes scrutiny.
E12
The plan to get Woo Gi safely to the courthouse takes an unanticipated turn and throws the Blue House into panic mode.
E13
Dal Gun's explosive on-air accusation toward the president sparks a media storm. Jessica's press reference goes south quick.
E14
When Oh Sang Mi disappears, Dal Gun and Hae Ri realize there's more to the situation. Meanwhile, Hong Sun Jo takes advantage of the crisis
E15
Sang Mi leaves behind a warning about a shady figure named Samael, putting everything Dal Gun thought he knew about the crash into question.
E16
When Jessica asks for NIS protection in exchange for Samael's identity, Hae Ri heads to prison undercover. In hiding, Dal Gun plans his next steps.