Four Hands, Two Sonatas (2026) poster - Korean tvN music drama - pianists Kang Bi-oh and Choi Jeong-yo - Studio Dragon

Four Hands, Two Sonatas

CompletedTV Series🇰🇷

What happens

Four Hands, Two Sonatas (포핸즈) is a South Korean tvN drama about two young pianists from completely different worlds who meet at an elite arts high school and find their lives tangled together through the music.

Kang Bi-oh (Song Kang) is the prodigy. He has an impressive academic and performance record and is already discussed as a contender for the biggest international competitions. Choi Jeong-yo (Lee Jun-young) comes from a hard family background and had let his own talent go. Arriving at the school, he runs into the pianist he was once completely taken with.

Hong Jae-in (Jang Gyu-ri) is a viola major with a sharp ear. She has been drawn to Bi-oh's music since childhood and is looking for music that actually reaches her. Her position beside the two pianists completes the central trio of the story.

Bi-oh's playing is polished and disciplined, while Jeong-yo's is driven by feeling, and the series builds its drama from that contrast inside a competitive musical environment. Rivalry, friendship, ambition and romance all run between the three as auditions and performances arrive.

Park Hyeon-seok directs from a script by Shin Yi-won, across twelve episodes. Piano performance and orchestra material sit at the centre of the story, in place of the usual campus-romance backdrop.

CONTENT DETAILS

Native Title
포핸즈
Original Title
Four Hands, Two Sonatas
Also Known As
Four Hands, Pohaendeu, 포핸즈
Adaptation
Original screenplay by creator Shin Yi-won.
Themes
Key Themes
Music SchoolPiano RivalryChildhood ConnectionClass DifferenceTalent and PressureReunionArtistic AmbitionBromance
Language
Korean
Screenwriter
Shin Yi-won
Seasons
1
Episodes
12
Duration
About 70 minutes
Aired Start
Aired End
Release Year
Content Rating
15+

Where to watch Four Hands, Two Sonatas

TVING

Before You Watch

  • Twelve episodes: broadcast two per weekend across six weekends.
  • Song Kang: known for Love Alarm, Sweet Home and My Demon, he plays the piano prodigy Kang Bi-oh in his return to drama after military service.
  • Lee Jun-young: the U-KISS and UNB member turned actor plays Choi Jeong-yo, the lead who had set his talent aside.
  • Jang Gyu-ri: formerly of fromis_9, she plays the viola major Hong Jae-in.
  • Creator-written: Shin Yi-won is credited as the creator, so the premise originates with her.
  • Bromance drama: set at an elite arts high school, with two male leads and one female lead.

Reviewed by Renkaze

The most useful detail about this production is how its lead and its director approached the piano. Lee Jun-young memorized each piece in full and used that memory to find the moments where acting was needed. Director Park Hyeon-seok describes the same method from behind the camera: he memorized the complete composition and broke it into small units to direct each scene.

That shared method is the observation worth carrying into the viewing. In a drama about pianists, a performance scene has a fixed length and a fixed internal shape, and here both the actor and the director planned around that shape rather than around the dialogue. The score works as the shooting script. Watching Choi Jeong-yo at the keyboard means watching an actor who knows where every bar falls, which is a different task from playing the instrument.

The casting puts weight on that preparation. Song Kang returns to drama after military service as a prodigy whose skill has to be believed at once. Lee Jun-young, formerly of U-KISS and UNB, plays the character defined by having let his talent go, so the two pianists are set up as opposites: one with an unbroken record and one who left the instrument. Jang Gyu-ri, formerly of fromis_9, takes the third position as the viola major who listens rather than competes at the keyboard.

The people behind the camera come from dramas about people working inside institutions. Park Hyeon-seok is known for Stranger 2, and Shin Yi-won wrote Green Mothers' Club, which places a parent community inside a school. An arts high school is another closed institution, and the three leads sit at different points inside it: the prodigy, the pianist who stepped away, and the viola major who judges what she hears. The series suits viewers who like music-school dramas where performance scenes are planned as carefully as the plot.

Themes

The English title does arithmetic the Korean one does not. 포핸즈 names a single form and stops there. The English version adds a count that pulls against it: four hands, but two sonatas. Maximum physical proximity, separate authorship.

That tension is the shape of the premise. Competition piano is a solo discipline, and both leads have been formed by it separately, each trained to be judged alone. Four-hands repertoire is the one place on a concert programme where a soloist is structurally unable to be alone. Putting two rivals there is not a romantic device so much as a formal problem: the instrument allows one interpretation at a time, and there are two people sitting at it.

The third lead sharpens this rather than softening it. Hong Jae-in is a viola major, which puts her off the keyboard entirely and gives her the one position neither pianist can occupy, that of the listener the music actually has to convince.

Interesting facts

  • A preview staged at a classical music festival. tvN announced on 7 August 2026 that it would hold a special preview event in collaboration with the Seoul International Music Festival. It took place on 22 August 2026 at the Music Square outside the Seoul Arts Center, a week ahead of the premiere.
  • A topicality all-kill in week one. The series took first place in both the TV and TV-OTT categories of the FUNdex chart, with Lee Jun-young first in both performer categories and Song Kang second. The second episode drew 5.9 percent nationally and 6.1 percent in the Seoul metropolitan area.

How it was made

The cast came together across about seven months. Song Kang was linked to the drama as his comeback project following his military discharge on 30 June 2025, Lee Jun-young followed on 2 September, and Jang Gyu-ri, Kim Joo-hun, Yoon Se-ah and Jung Jin-young were cast in November 2025. All three leads were officially confirmed by January 2026.

Principal photography began in the second half of 2025 and concluded in July 2026, within two months of the premiere. Kim Joon-seok composed the score, and director Park Hyeon-seok came to the series from Stranger 2.

OFFICIAL TRAILER

OFFICIAL OST

Episode guide: Four Hands, Two Sonatas

12 / 12 episodes aired · Completed
EP 1
29 Aug 2026
Aired
EP 2
30 Aug 2026
Aired
EP 3
05 Sep 2026
Aired
EP 4
06 Sep 2026
Aired
EP 5
12 Sep 2026
Aired
EP 6
13 Sep 2026
Aired
EP 7
19 Sep 2026
Aired
EP 8
20 Sep 2026
Aired
EP 9
26 Sep 2026
Aired
EP 10
27 Sep 2026
Aired
EP 11
03 Oct 2026
Aired
EP 12
04 Oct 2026
Aired

FREQUENTLY ASKED QUESTIONS

Is Four Hands, Two Sonatas a BL drama?

No. It is a bromance drama. Neither tvN nor Studio Dragon has presented it as a BL production, and the main cast includes a female lead, Jang Gyu-ri.

When and where does it air?

Saturdays and Sundays at 21:10 KST on tvN, two episodes per weekend, from 29 August to 4 October 2026. TVING streams it.

Who plays the supporting roles?

Kim Ju-hun plays Do Hyeon-soo, Yoon Se-ah plays Kang Ji-hye, and Lee Sang-jun plays Yoon Han-rim.

What music was released alongside the broadcast?

"Through the Moon", performed by Jung Seung-hwan and running 3 minutes 21 seconds, came out on 30 August 2026 with an instrumental version.

Is the series based on a novel or webtoon?

No. It is an original screenplay by Shin Yi-won, who is credited as the creator.

Where a title can be watched, and who is credited on it, may have changed since publication, as our disclaimer explains.

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