Nine Years of Searching Pays Off: Song Kang Finally Finds His Friend’s Kidnapper in “Four Hands, Two Sonatas”

tvN’s music drama “Four Hands, Two Sonatas” just dropped a preview that shifts its entire timeline forward a decade — and it centers on a search that’s been quietly consuming Song Kang’s character since he was a teenager.

Four Hands, Two Sonatas- Episode Preview

What Happened Before This Episode

According to Soompi’s report, the story’s earlier arc followed Kang Pio (Song Kang) and Choi Jeong-yo (Lee Jun-young) as they competed together in an international piano competition in the Czech Republic. Both advanced to the finals, but their paths diverged violently: Kang Pio delivered what’s described as a flawless, deeply personal performance, while Choi Jeong-yo was abducted right before his own turn on stage — disappearing before he ever got the chance to perform.

That single moment set up the emotional core the drama has clearly been building toward.

Nine Years Later, the Search Continues

The newly released stills jump the story forward a full decade, with Kang Pio now 27 years old and still actively searching for traces of his missing friend. Rather than moving on, he’s spent nearly a decade quietly investigating what happened that day in the Czech Republic, working alongside a local contact named Vogel, played by Go Chang-suk, to track down leads.

That persistence finally pays off in this episode: Kang Pio manages to locate the kidnapper responsible for Choi Jeong-yo’s disappearance. Whether he can actually get answers — and uncover who ordered the abduction in the first place — is left as the episode’s central question.

Why This Twist Works for the Story

“Four Hands, Two Sonatas” has been framed as a coming-of-age drama about rivalry, friendship, and growth among young pianists, but this reveal pushes it into more thriller-adjacent territory. Turning a music-school rivalry into a near-decade-long mystery gives Kang Pio’s character arc real weight — his dedication to finding Jeong-yo becomes just as central to his identity as his piano career, if not more so.

It also raises the stakes for the eventual reunion between the two leads, assuming Choi Jeong-yo is still alive to be found. Nine years is a long time for a story to sit with unanswered questions, and the drama appears ready to start paying that tension off.

Fans can catch the new episode airing September 13 at 9:10 PM KST on tvN.

For more K-drama previews and episode breakdowns, check out Soompi’s Drama Preview section and their full Drama coverage.

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