Season
Episodes
In This Beautiful World of Ours
Oh Soryong steps in a case, while Han Do, once a drama producer, joins the Trigger team.
Setback
Han Do finds himself accused in a case and decides to track down the real culprit.
For the Loser
The team must catch the culprit before things take a turn for the worse.
Mighty Is the Camera
A suspect in a disappearance case returns twenty years later, seeking out Soryong.
Price Tag
A building collapses, and Soryong has an emotional clash with Han Do.
Dreaming of Love
A familiar face returns to Trigger after ten years, seeking help again for a renewed threat.
Inertia
A surprising confession unsettles Han Do and Soryong. Cracks form within the Trigger team.
The Vanished Witness
The team finds a new lead in a case, but the past is firmly sealed to unravel.
Cho Haewon
As Soryong hunts for answers, Giho throws the team into chaos.
Oh, Soryong
Soryong uncovers hidden truths behind the case from twenty years ago.
Trigger Unleashed
Soryong and Han Do dig into a vast conspiracy, finally coming face-to-face with a shocking truth.
The Confession
The Trigger team risks all to reveal the truth while fending off the villain's counterattacks.
Cast
Kim Hye-soo
Oh So-ryong
Jung Sung-il
Han-do
Joo Jong-hyuk
Kang Ki-ho
Lee Hae-yeong
Park Dae-yong
Jang Hye-jin
Hong Na-hee
Moon Woo-jin
Son Joon-young
Kim So-ra
Ha Monica
Im Seong-mi
Kim Ji-yoon
Jeon Jin-oh
Yoon Byeong-geun
Heo Dong-won
Lee Sang-mok
Choi Dong-goo
Choi Je-il
Park Seo-yeon
Baek Song-i