Crime
S01E01 • 7/10 • 47m • 24 Sep 2025 • KR •

No Mercy (2025) S01E01 – Missing mother, stolen voice

Mi-yang, who is on her way to see So-min's performance for the first time, is kidnapped by a member of the gang after a hit-and-run and goes missing for a week, and So-min begins an investigation with her police classmate Jung-hoon. Hyun-jin remits the ransom, but instead of his wife, only 50 million won in debt remains, and everyone falls into despair amid the kidnapper's ridicule.

Cast

Lee Joo-young
Lee Joo-young
Ha So-min
Ji Seung-hyun
Ji Seung-hyun
Ma Seok-gu
Koo Jun-hoe
Koo Jun-hoe
Park Jeong-hun
Seo Jin-won
Seo Jin-won
Ha Hyun-jin
Lee Ji-ha
Lee Ji-ha
Kim Mi-yang
Min Hye-su
Min Hye-su
Ryu Hye-dam
Sung Ki-yoon
Sung Ki-yoon
Kim Du-sik
Choi Mu-in
Choi Mu-in
Mr. Kim
Choi Yoo-song
Choi Yoo-song
Choi Kye-soon
Nam Mi-jung
Nam Mi-jung
In Ye-hyang
Kim Neul-me
Kim Neul-me
Team Leader
Shin Soo-Ho
Shin Soo-Ho
Kim Do-jin
Jo Young-jin
Jo Young-jin
Seo Joong-geun
Im Joon-hyung
Im Joon-hyung
Mr. Kim Subordinate
Jung Geun
Jung Geun
Jung In-cheol (Ep...
Ham Tae-in
Ham Tae-in
Member (Eps 4, 8)
Choi Seo-yoon
Choi Seo-yoon
Member (Eps 4, 8)
Park Jae-hong
Park Jae-hong
Member (Eps 7)
Hyesun Cho
Hyesun Cho
Police Officer (E...
Lee Jae-woo
Lee Jae-woo
Kim Kang-sin (Eps 2)

Episodes

No Mercy (2025) S01E01 – Missing mother, stolen voice S01E01 47m
24 Sep 25
No Mercy (2025) S01E01 – Missing mother, stolen voice
Mi-yang, who is on her way to see So-min's performance for the first time, is kidnapped by a member of the gang after a hit-and-run and goes missing for a week, and So-min begins an investigation with her police classmate Jung-hoon. Hyun-jin remits the ransom, but instead of his wife, only 50 million won in debt remains, and everyone falls into despair amid the kidnapper's ridicule.
No Mercy (2025) S01E02 – Mother’s Death and the Evil Deeds of the Ilseongpa S01E02 49m
25 Sep 25
No Mercy (2025) S01E02 – Mother’s Death and the Evil Deeds of the Ilseongpa
After her father's death, Ha So Min receives a call in her mother Kim Mi Yang's voice. However, So Min soon realizes that the one behind the phone is Ma Seok Gu using voice technology. Searching for clues, she finds an SOS from Mi Yang and chases a mysterious woman. As secrets unravel, So Min learns that Mi Yang's voice is being exploited by a phishing ring. Consumed by grief and rage, she vows revenge, joining forces with Detective Park Jeong Hun and turning to deepfake herself for a strike.
No Mercy (2025) S01E03 – Somin’s camouflage, the beginning of infiltration S01E03 47m
1 Oct 25
No Mercy (2025) S01E03 – Somin’s camouflage, the beginning of infiltration
When So-min learns that the Ilsung faction is trying to send the staff of the Dragon God Festival event to the Chinese call center, he uses this as an opportunity to deceive and act out his identity to infiltrate the captain's house of the Ilsung faction. Sensing that Jung-hoon will return to his police status and intervene, he confesses lies to President Kim and makes a new proposal.
No Mercy (2025) S01E04 – The beginning of a game of deception and deception S01E04 50m
2 Oct 25
No Mercy (2025) S01E04 – The beginning of a game of deception and deception
Unlike the call center, Somin, known as the luxurious Ilseongpa stronghold, catches Seokgu's eye thanks to her overwhelming skills. Seokgu senses a familiarity yet a strangeness in her, and becomes suspicious of her identity. However, Somin exposes the Heungsam-i faction's spy, averting the crisis and earning Seokgu's trust.
No Mercy (2025) S01E05 – Identity Crisis and New Proposals S01E05 44m
8 Oct 25
No Mercy (2025) S01E05 – Identity Crisis and New Proposals
So-min, whose identity is almost exposed due to the ticket for "The Woman from Yanbian," lies to Seok-gu even more brazenly and proposes that they recruit Mason to "Genie the Star" to secure the business rights. Then, she introduces Mason's close associate, Eric Choi, aka Jeong-hoon, to Seok-gu, and So-min and Jeong-hoon's joint operation begins.
No Mercy (2025) S01E06 – Somin’s escape and Jeonghoon’s new plan S01E06 43m
9 Oct 25
No Mercy (2025) S01E06 – Somin’s escape and Jeonghoon’s new plan
So-min, anxious about the presence of a man with a tattoo of the Ilseongpa faction, attempts to meet Jeong-hoon. However, she witnesses Jeong-hoon being kidnapped by the Ilseongpa faction and, while chasing him, loses him. She then receives a phone call from Seok-gu threatening, "If you don't return the money, I will kill Jeong-hoon."
No Mercy (2025) S01E07 – Jung-hoon’s kidnapping and Seok-gu’s blackmail S01E07 42m
15 Oct 25
No Mercy (2025) S01E07 – Jung-hoon’s kidnapping and Seok-gu’s blackmail
So-min, who is trapped in an abandoned warehouse, despairs when he learns that Jung-hoon was on the same page as the Ilseong faction. Jung-hoon uses Seok-gu's cell phone to lure his entourage, and together with Doo-sik's spy Yoo Seung-seung, he recovers Seok-gu's slush funds and becomes loyal to Doo-sik. Helpless, Seok-gu succumbs to Doo-sik and gives up all power.
No Mercy (2025) S01E08 – The End of the Ilseong Faction and the Liberation of the Common People S01E08 48m
16 Oct 25
No Mercy (2025) S01E08 – The End of the Ilseong Faction and the Liberation of the Common People
The situation is turned upside down by the appearance of So-min, who is on the verge of death, and the appearance of a new helper, as well as a raid by Jung-hoon, the police, and the police, and Seok-gu is stabbed to death after a fierce confrontation with So-min. After the Ilseong faction is completely wiped out and the corrupt forces are brought to justice, So-min, who has completed his sentence, begins to burst into tears through a video letter left by his mother while cleaning the spirits of Mi-yang and Hyun-jin.

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