Happy Sisters (2017)
A heartfelt South Korean drama about two sisters confronting betrayal, debt, and unexpected love across 120 compelling episodes on SBS.
Happy Sisters - Series Information
- Original Title: 해피 시스터즈
- First Air Year: 2017
- Last Air Year: 2020
- Created by: Go Heung Shik, Han Young-mi
- Type: TV Series
- Genres: Drama
- Episode Runtime: Average runtime per episode (35 minutes)
- Number of Seasons: 1
- Number of Episodes: 120
- Status: Ended
- Original Language: Korean
- Spoken Languages: Korean
- First Air Date: December 3, 2017 (South Korea - 15)
- Networks: SBS
- Alternative Titles: 姐姐们的逆袭 (TW), 해피시스터즈 (KR)
- Production Countries: South Korea
Happy Sisters - Plot
Yoon Ye Eun has been married for 7 years. She is a housewife and works hard taking care of the family on her husband, Lee Jin Sup's side. Her in-laws though give her a hard time, but she is positive and happy. Her husband's business is doing well and they move into a new house. However, she then finds out her husband is having an affair. Yoon Sang Eun is single and runs a small piano institute. While running her piano institute, she has fallen into debt. She meets Choi Jae Woong through a matchmaking agency. Choi Jae Woong proposes to enter into a contract marriage with Yoon Sang Eun and in return he will pay off her debts.
Happy Sisters - Trailer
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Happy Sisters - Cast & Crew
Creator(s)
- Go Heung Shik
- Han Young-mi
Main Cast
- Ban So Young
- Jung Geun
- Shim Yi Young
- Lee Sung-wook
- Go Na-Hee
- Lee Young-eun
Writers
- Han Young-mi
Happy Sisters - FAQs
When did Happy Sisters first air on television?
Happy Sisters premiered on December 3, 2017, in South Korea on the SBS network. The series ran for a total of 120 episodes and concluded in 2020, making it a long-running weekend family drama that kept audiences engaged for over two years.
What is Happy Sisters about?
The series centers on two sisters facing very different romantic struggles. One discovers her husband's affair after years of devoted marriage, while the other — drowning in debt from her piano institute — enters a contract marriage arrangement with a man who offers to clear her debts in exchange for a fake relationship.
Who are the main actors in Happy Sisters?
The series features Ban So Young as Jo Hwa-Young, Shim Yi Young as Yoon Ye-Eun, Jung Geun as Gong Il-Sam, Lee Sung-wook as Hwang Soo-Chan, Go Na-Hee as Hwang Soo-Ji, and Lee Young-eun as Choi Jin-Hee, forming a rich ensemble at the heart of the drama.
Is Happy Sisters a contract marriage K-drama?
Partly, yes. One of the central storylines follows a contract marriage between Yoon Sang Eun and Choi Jae Woong, a popular trope in Korean dramas. Alongside this, the series also explores themes of marital betrayal and family dynamics, giving it a layered, emotionally grounded narrative.
How many episodes does Happy Sisters have?
Happy Sisters consists of 120 episodes across a single season. This episode count is typical of long-format Korean weekend dramas, which are designed to unfold slowly and give characters and relationships plenty of room to develop over an extended run.
Who created and wrote Happy Sisters?
The series was created by Go Heung Shik and Han Young-mi, with Han Young-mi also serving as the head writer. This creative duo shaped the drama's blend of family conflict, romantic entanglements, and emotional resilience that became the hallmark of the show's storytelling.
Where can I watch Happy Sisters online?
Streaming availability for Happy Sisters varies by region. For a full and up-to-date overview of where to watch, rent, or purchase the series in your country, JustWatch is the most reliable resource to check current platform availability.
What shows are similar to Happy Sisters?
If you enjoy Happy Sisters, you might also like Queen of Tears (2024), Love in Contract (2022), Crazy Love (2022), Love Your Enemy (2024), and Tastefully Yours (2025). These Korean dramas share similar themes of romance, family tension, and emotionally driven storytelling.
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