
No Mercy
S1 · E1IMDB:
6.8
Released
9/24/2025
Duration
0h 48m
Genre
Crime
Country
South Korea
Cast
Lee Joo-young, Ji Seung-hyun, Koo Jun-hoe
Overview
One phone call was enough to shatter one's entire world. For unknown actress So Min, everything collapses when a voice phishing scam tears her family apart. She is thrust into the darkest side of technology as her missing mother, father's death, and even the stolen voice of her late mother become weapons in a shocking scheme. With nothing left but the will to take revenge, she turns to deepfake technology as her ultimate weapon, infiltrating a vast and merciless syndicate. Along the way, she encounters Ma Seok Gu, a ruthless boss hungry for power, Jeong Hun, a cop torn between truth and loyalty, and Do Jin, a hacker with a sinister smile. Plunging into a web of betrayal and danger with the fake identities she forges, will she exact vengeance, or will they destroy her?

No Mercy
Season 1 · Episode 1IMDB:
6.8Released
9/24/2025
Genre
Crime
Cast
Lee Joo-young, Ji Seung-hyun, Koo Jun-hoe
Duration
0h 48m
Country
South Korea
Overview
One phone call was enough to shatter one's entire world. For unknown actress So Min, everything collapses when a voice phishing scam tears her family apart. She is thrust into the darkest side of technology as her missing mother, father's death, and even the stolen voice of her late mother become weapons in a shocking scheme. With nothing left but the will to take revenge, she turns to deepfake technology as her ultimate weapon, infiltrating a vast and merciless syndicate. Along the way, she encounters Ma Seok Gu, a ruthless boss hungry for power, Jeong Hun, a cop torn between truth and loyalty, and Do Jin, a hacker with a sinister smile. Plunging into a web of betrayal and danger with the fake identities she forges, will she exact vengeance, or will they destroy her?
Episodes
EP 1AvailableMissing 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.

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.
EP 2AvailableMother'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.

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.
EP 3AvailableSomin'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.

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.
EP 4AvailableThe 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.

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.
EP 5AvailableIdentity 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.

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.
EP 6AvailableSomin'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."

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."
EP 7AvailableJung-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.

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.
EP 8AvailableThe 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.

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.
Cast

Ha So-min
Lee Joo-young

Ma Seok-gu
Ji Seung-hyun

Park Jeong-hun
Koo Jun-hoe

Ha Hyun-jin
Seo Jin-won

Kim Mi-yang
Lee Ji-ha

Ryu Hye-dam
Min Hye-su

Kim Du-sik
Sung Ki-yoon

Mr. Kim
Choi Mu-in

Choi Kye-soon
Choi Yoo-song

In Ye-hyang
Nam Mi-jung

Team Leader
Kim Neul-me

Kim Do-jin







