The TCI members arrest an insurance fraud suspect but must release him due to a lack of evidence.

TCI chases after a mysterious being that causes traffic accidents and encounters a secret.

The team probes a case involving a woman who jumped out of a moving car. Sohee learns the truth.

While investigating a hit-and-run case, TCI learns that it is tied to auto theft.

Yeonho gets audited and the car theft investigation goes back to square one.

Myunghak gets an unexpected lead about Jaeyoung’s death. TCI finds a dead body in a parked car.

The TCI members suspect a serial pattern in the car carrier accident and investigate similar cases.

Yonggun gets into an accident while chasing a hit-and-run suspect. TCI faces an unexpected truth.

Yeonho learns that Hyunmin was the culprit. Jungwook and President Yang try to kill Hyunmin.

TCI succeeds in catching Myunghak, but Taeju take all the credit, and the team faces dissolution.

The TCI members gather at Hwapyeong Island and investigate a case involving a missing high schooler.