Season 1

Insurance Investigator Cha Yeon-ho (Lee Min-ki) is accidentally caught up by the Traffic Crime Investigation Team (TCI) during a "Car Fraud" gang bust. During questioning he shares his case records of a possible Vehicu…

Killer Jung Ho-kyu (Bae Yoo-ram) plots his revenge against Jo Seok-tae (Lee Do-goon) for aiding Lt. Min So-hee. Investigator Cha Yeon-ho obtains damaging evidence against Ho-kyu. Yeon-ho gets labeled as a whistle blowe…

TCI’s investigation into ghostly apparitions causing vehicular accidents uncovers a multiparty Car Scam Ring affiliation. So-hee’s father, Min Yong-gun (Yoo Seung-mok), shares some of her background story with Yeon-ho.…

The TCI investigates the case of a woman jumping from a car. The Joint Investigative Unit moves to Namgang Police Station and takes over TCI’s case. Cha Yeon-ho is disgraced when a culprit gets away. So-hee decides to …

The Hit and Run Case sheds light on a Car Thief and Serial Rapist case. Mysterious envelopes related to Cha Yeon-ho’s tragic past traffic accident appears. Min So-hee may be a little over zealous in the police arrest …

Cha Yeon-ho is interrogated in regards to his past vehicular homicide case. When Director General Lee Tae-joo (Oh Eui-sik) of the Joint Task Unit withholds information from his team and the TCI, they go to the aid of T…

Pyo Myung-hak is promoted to Commissioner General. TCI’s investigation into a car carrier trailer rollover case finds that it was malicious and caused the death of a man driving home. Yang Jae-young (Heo Ji-won), the s…

TCI reveals a serial pattern in the Car Carrier Trailers Rollover Case which affected prior truck drivers for CY Logistics. Woo Gil-soon was one of them. Truck driver Han Kyung-soo (Han Sang-jo) confides the names of …

TCI is assigned the Yang Jae-young Murder Case. Min Yong-gun (Yoo Seung-mok), So-hee’s father, gets involved in an accident while chasing a Hit and Run driver. Evidence leads to Pyo Jung-wook (Kang Ki-doong), the Comm…

Cha Yeon-ho finds out that Kim Hyun-min (Kim Dae-ho), the National Forensic Service analyst is the culprit behind the threatening envelopes. Pyo Jung-wook seeks the help of former gangster Yang Seok-chang (Lee Yoo-joon)…

TCI succeeds in capturing the real culprits of the 10 year vehicular homicide, car carrier and the Hit and Run cases. During Pyo Jung-wook’s trial, Commissioner Pyo is also implicated and arrested. Conniving Lee Tae-j…

When a local Inn Keeper’s daughter disappears Cha Yeon-ho reaches out for help. The old TCI gang takes vacation to assist him. The team is finally promoted with exception of Chief Jeong who had rendered his resignation…