Heartstrings
A series of misunderstandings causes Lee Shin, the cocky leader of "The Stupid" and Lee Gyu-won, a student majoring in Traditional Korean Music to start on the wrong foot. Until she sees him performing live, and is immediately captivated.
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38Countries streaming
7.1/10IMDb rating
Streaming in 38 countries
Last updated: November 7, 2026AndorraAlbaniaArgentinaAustriaAustraliaBosnia & HerzegovinaBelgiumBrazilCanadaSwitzerland+28Germany, Denmark, Spain, Finland, France, United Kingdom, Greece, Croatia, Hungary, Ireland, Israel, Italy, Japan, South Korea, North Macedonia, Malta, Mexico, Netherlands, Norway, New Zealand, Panama, Poland, Portugal, Romania, Serbia, Sweden, Slovenia, United States
Where to watch in United States
- KKocowaIncluded with subscriptionHDWatch Now
- OOnDemandKoreaIncluded with subscriptionHDWatch Now
- RVRakuten VikiFree with adsHDWatch Now
NetflixNot available in United StatesGet NordVPN
Where else it's streaming
- KKocowa
Available in
+21
25 countries - RVRakuten Viki
Available in
+7
11 countries - Netflix
Available in
1 country 
Prime VideoAvailable in
1 country
U-NEXTAvailable in
1 country- Wwavve
Available in
1 country - OOnDemandKorea
Available in
1 country - CKChannel K Amazon Channel
Available in
1 country
Details
- Director
- Pyo Min-soo
- Genres
- Drama, Romance, Music
- Release year
- 2011
- Type
- TV series
- Production
- South Korea, United States
Availability in United States
- Added to OnDemandKoreaOMar 13, 2026
- Added to Rakuten VikiRVAug 13, 2025
- Added to KocowaKMar 23, 2023
Data updated Nov 7, 2026
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