June 2025 is poised to captivate K-drama fans with a vibrant lineup of eight new series, offering everything from intense thrillers to heartwarming romances and clever comedies. The month’s crown jewel is Squid Game 3, the highly anticipated finale of the global sensation that has kept audiences on edge with its dystopian stakes and emotional depth. Promising deadlier games, shocking betrayals, and a climactic showdown, this season is set to be a cultural event, drawing millions to Netflix for its gripping conclusion.
Alongside this blockbuster, June delivers a diverse slate, including the gritty revenge saga Mercy For None, the fantastical romance of The First Night With The Duke, and the quirky detective antics of Salon De Holmes. Whether you’re craving action, love, or mystery, these dramas promise to deliver unforgettable stories. Here’s your detailed guide to the eight must-watch K-dramas premiering this month, complete with release dates, platforms, casts, creative teams, and plot synopses to fuel your anticipation.
1 Mercy For None
Release Date: June 6, 2025
Platform: Netflix
Cast: So Ji-sub (Nam Gi-jun), Gong Myung (Gu Jun Mu), Huh Joon-ho (Lee Ju Un), Lee Bum-soo, Ahn Kil-kang
Writer: Yoo Ki-sung
Director: Choi Sung-eun
Plot Synopsis: Adapted from the webcomic Gwangjang by Oh Se-hyeong and Kim Kyun-tae, Mercy For None is a gritty action-crime drama. Nam Gi-jun, once Korea’s fiercest underground fighter, left the criminal underworld behind to protect his brother, Gi-seok, who joined a rival gang. After fifteen years of a quiet life, Gi-jun is pulled back into the chaos when his brother is found dead under suspicious circumstances. Fueled by rage and betrayal, he embarks on a relentless quest for revenge, navigating bloody turf wars and old grudges in a dangerous underworld.
Mercy For None Trailer
2 The First Night With The Duke
Release Date: June 11, 2025
Platform: KBS
Cast: Seo-hyun (Cha Seon-chaek), Ok Taec-yeon (Lee Beon)
Writers: Han Ga-eun, Kang Kyung-min
Director: Lee Jung-heum
Plot Synopsis: This romantic fantasy, adapted from a popular web novel, follows college student K, who wakes up inside her favorite romance novel as Cha Seon-chaek, a minor character. After an unexpected night with the cold yet charismatic male lead, Lee Beon, she tries to steer him toward the novel’s original heroine, Cho Eun-ae. But Lee Beon’s growing affection for Seon-chaek throws the story into chaos, entangling her in a love triangle filled with court politics and romantic tension. Can she rewrite the story or escape back to reality?
The First Night With the Duke Trailer
3 Our Movie
Release Date: June 13, 2025
Platform: SBS, Disney+
Cast: Namkoong Min (Lee Je-ha), Jeon Yeo-been (Lee Da-eum), Lee Seol, Seo Hyun-woo
Writers: Han Ga-eun, Kang Kyung-min
Director: Lee Jung-heum
Plot Synopsis: A heartfelt melodrama, Our Movie centers on Lee Je-ha, a once-celebrated film director paralyzed by self-doubt after a stellar debut. After a five-year hiatus, he starts a new romance film about fleeting love, meeting Lee Da-eum, an aspiring actress battling a terminal illness. As they collaborate, their personal struggles intertwine, blurring the lines between fiction and reality. Their quiet, soulful connection offers healing and hope, proving love can shine in life’s darkest moments.
Our Movie Trailer
4 Hunter With A Scalpel
Release Date: June 16, 2025
Platform: Disney+, U+
Cast: Park Ju-hyun (Seo Se-hyun), Park Yong-woo (Yoon Jo-gyun), Kang Hoon (Jung Jung-hyun)
Writer: Jo Han-young, Park Hyun-shin, Hong Yeon-yi, Jin Se-hyuk
Director: : Lee Jeong-hun
Plot Synopsis: This psychological thriller follows Seo Se-hyun, a brilliant forensic pathologist with antisocial personality disorder. Haunted by her father, a notorious serial killer she once killed, Se-hyun uncovers evidence during an autopsy linking a new murder to him. Racing against time, she hunts for the truth to protect her reputation and confront her dark past, blending forensic science and survival in a chilling narrative.
Hunter With A Scalpel Trailer
5 Salon De Holmes
Release Date: June 16, 2025
Platform: ENA
Cast: Lee Si-young (Gong Mi-ri), Kim Da-som, Jeong Young-joo, Choi You-sol
Writers: Jeon Gun-woo (novel), Kim Yeon-shin, An Yong-jin
Director: Min Ji-ki
Plot Synopsis: A comedic action drama, Salon De Holmes follows four housewives in the Gwangseon Apartment Complex who swap domestic routines for detective work. Led by the sharp-witted Gong Mi-ri, the team—featuring a bold single mom, a former elite cop, and a curious newcomer—tackles neighborhood mysteries with humor and grit. Their investigations uncover hidden truths, bringing purpose and camaraderie to their lives.
6 Running Mate
Release Date: June 19, 2025
Platform: TVING, Viu
Cast: Yoon Hyun-soo (No Se-hun), Lee Jung-sic (Kwak Sang-hyun), Choi Woo-sung (Won-dae), Hong Hwa-yeon (Yoon Jeong-hee), Lee Bong-joon (Park Jin-ho), Kim Ji-woo (Ha Yoo-kyung), Ok Jin-wook (Yoon Do-jin), Yoon Do-gun (Kim Jin-woo)
Writer: Han Jin-won
Director: Han Jin-won
Plot Synopsis: This youth political drama, set over a month-long high school election, follows No Se-hun, a model student at Yeongjin High School who earns the humiliating nickname “Erector” after an unfortunate bus incident. To revamp his image, Se-hun agrees to be the running mate for choir director Won-dae in the student council election, only to learn he’s the twelfth candidate. Bruised but determined, he joins forces with the charismatic Kwak Sang-hyun, a social butterfly nicknamed the “walking human boutique.” As the election heats up, Se-hun navigates rivalries, like with Choi Jong-su, and unexpected alliances with peers like Yoon Jeong-hee and Ha Yoo-kyung, in a fierce and comedic battle for student council leadership.
Running Mate Trailer
7 Head Over Heels
Release Date: June 23, 2025
Platform: tvN, Amazon Prime, TVING
Cast: Cho Yi-hyun (Park Seong-ah), Choo Young-woo (Bae Gyeon-woo), Choo Ja-hyun (Park Hye-jin), Kim Mi-kyung (Grandma shaman), Park Jung-pyo (Teacher Lee)
Writer: Yang Ji-hun
Director: Kim Yong-wan
Plot Synopsis: Adapted from An Soo-min’s webcomic Gyeonwoowa Sunnyeo, this fantasy rom-com follows Park Seong-ah, a high school student by day and secret shaman, Fairy Cheon Ji, by night. When she falls for classmate Bae Gyeon-woo and foresees his tragic death, she transfers to his school to alter his fate. Guided by her shaman grandmother and supported by her mother, Park Hye-jin, Seong-ah balances her hidden identity and budding romance in a journey packed with heart, humor, and supernatural charm.
Head Over Heels Trailer
8 Squid Game 3
Release Date: June 27, 2025
Platform: Netflix
Cast: Lee Jung-jae (Seong Gi-hun), Lee Byung-hun (Front Man), Wi Ha-joon (Hwang Jun-ho), Im Si-wan (Kang Min-soo), Kang Ha-neul (Kim Dong-wook), Park Gyu-young (Park Ji-yeon), Park Sung-hoon (Cho Hyun-joo), Yang Dong-geun (Jang Sung-tae), Kang Ae-shim (Lee Eun-kyung), Jo Yu-ri (Choi Min-ji), Lee David (Min Dong-jae), Roh Jae-won (Oh Sang-ho), Gong Yoo (Recruiter)
Writer: Hwang Dong-hyuk
Director: Hwang Dong-hyuk
Plot Synopsis: The final chapter of the global phenomenon Squid Game picks up after Seong Gi-hun’s failed rebellion in Season 2. Determined to end the brutal games, Gi-hun leads a diverse group of desperate contestants, including Kang Min-soo, a cunning strategist, and Park Ji-yeon, a resilient fighter, against the enigmatic Front Man and new, ruthless VIPs. Meanwhile, Hwang Jun-ho, the determined detective, closes in on the game’s secret island, uncovering devastating truths. With betrayals from players like Cho Hyun-joo and shocking twists, this dystopian thriller delivers a heart-pounding, emotional finale.
Squid Game 3 Trailer
Which K-drama are you most excited to stream? Whether it’s the heart-pounding action of Mercy For None or the romantic whimsy of The First Night With The Duke, June 2025 has something for every fan. Mark your calendars and dive into these captivating stories!
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