The Netflix original K-drama series “Mercy for None” leads the highly anticipated lineup of new Korean dramas set to premiere in June 2025. Based on the popular webtoon “Plaza Wars,” the series features an incredible cast you won’t want to miss. Explore key details about the upcoming series below!
“Mercy for None” Korean Drama (2025): Plot, Cast, Premiere Date, and more
The new Netflix Korean drama series “Mercy for None” (“광장”) is a live adaptation of the hit webtoon series “Plaza Wars,” written by Oh Se Young and illustrated by Kim Kyun Tae. Directed by Choi Sung Eun, known for the 2016 hit series “Tong: Memories,” the production companies Studio N and Yong Film collaborated on the drama’s production.
Let’s explore more about this thrilling drama series!
Plot
The story follows Nam Gi Joon, a man who once swore to quit his life as a gangster—even severing his Achilles tendon as a symbol of painful sacrifice and proof that he would never return to the underworld. He took this drastic step to prevent a clash with his brother, who joined a rival organization. But after 11 years away from the criminal world, his brother’s tragic death compels him to re-enter the underworld once again to uncover the truth behind his brother’s death and relentlessly haunts down the killers.
“Mercy for None” Cast and Characters
Main Cast
So Ji Sub as Nam Gi Joon
Nam Gi Joon is a former gangster. After his brother’s tragic death, he takes high risks by returning to the underworld, relentlessly hunting those responsible to uncover the truth behind this sudden tragedy.
Huh Joon Ho as Lee Joo Won
Lee Jun Won leads the Joo Won organization, the second-largest underworld group in town and the main rival of the Bong San organization. He demonstrates strong leadership and has a vast network in the criminal world. Known for his intelligent and manipulative nature, he becomes Gi Joon’s formidable opponent in his search for the truth.
Ahn Kil Kang as Go Bong San
Go Bong San is a charismatic leader of the Bong San, an organization where Gi Joon previously worked, who holds significant influence in the criminal world. But his relationship with Gi Joon becomes complex when Gi Joon returns to the underworld seeking revenge for his brother’s death.
Lee Bum Soo as Sim Seong Won
Sim Sung Won is the CEO of Nclean, an organization responsible for cleaning up the crime scenes of these organizations. Though his role may seem trivial, this character is central to one of the show’s mysteries due to his involvement in Gi Seok’s death.
Gong Myung as Go Jun Mo
Go Jun Mo, heir of Bong San (the most powerful organization), is depicted as a man with great ambition whose violent tendencies make him a bloodthirsty and cruel figure.
Choo Young Woo as Lee Geum Son
Lee Geum Son, son of Lee Joo Won, works as an incumbent prosecutor. Though distancing himself from the organization, he harbors hidden ambitions.
Cho Han Cheul as Choi Sung Chul
Choi Sung Chul is Lee Joo Won’s right-hand man.
Support & Guest Roles
Cha Seung Won as Cha Young Do
Cha Young Do is a mysterious power broker who ensures the rival organizations coexist while preventing them from mutual destruction, as their annihilation would threaten his interests and position.
Lee Jun Hyuk as Nam Gi Seok
Nam Gi Seok joins Joo Won to develop the organization, rising to executive director (the second-highest position). However, on the night before his retirement, unknown assailants attacked him brutally, resulting in his tragic death.
“Mercy for None” Fun Facts
- The upcoming action series marks So Ji Sub’s return to the small screen after the legal drama “Doctor Lawyer” in 2022 and his grand comeback to the action genre after 6.5 years, following his 2018 action series “Terius Behind Me.”
- “Mercy for None” marks Gong Myung’s debut in action series since his acting debut in 2013. However, it is not his foray into the genre; he has starred in action films, including “Extreme Job,” “Hansan: Rising Dragon,”“Citizen of a Kind,” and “Su Saek.”Additionally, you can watch a new dimension of his acting in the upcoming series.
- Similarly, rising star Choo Young Moo will reveal another layer of his craft through his character in “Mercy for None”—his second yet more intense action series following “The Trauma Code: Heroes on Call.”
- Veteran actor Huh Joon Ho will demonstrate his villainous prowess once again in this show, following his gripping role in “Buried Hearts.”
“Mercy for None” Premiere Date
Save the date! The new Netflix original Korean drama series, “Mercy for None,” will premiere on June 6, 2025. The 7-episode show will release its new episode every Friday.
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