Triangle
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We checked 8 streaming services in India on 04 Jun 2026 at 09:43 IST
About
When three brothers were very young, they lost their parents. The three brothers were then separated and lived apart for 20 years without knowing of each other. They then meet again unexpectedly and begin their relationship as brothers. Jang Dong-Soo (Lee Beom-Soo) is the oldest brother. He works as a detective. Jang Dong-Woo (Siwan) is the youngest brother. He was adopted by a rich family when he was a baby and became Yoon Yang-Ha. He is cynical and cold.
Cast
Kim Jae-joong
as Heo Young-dal / Jang Dong-chul
Yim Si-wan
as Yoon Yang-ha / Jang Dong-woo
Lee Beom-soo
as Jang Dong-soo
Oh Yeon-soo
as Hwang Shin-hye
Baek Jin-hee
as Oh Jung-hee
Park Ji-yeon
as Sung Yoo-jin
Kim Byeong-ok
as Ko Bok-tae
Kim Hye-eun
as Kim Ok-kyung
Moon Jung-hyun
as Min Su
Hong Seok-cheon
as Man-kang
Kim Ji-young
as Oh Jung-hee's grandmother
Park Hyo-ju
as Kang Jin
Jung Ji-yoon
as Kang Hyun-mi
Noh Young-hak
as Jang Dong-soo (young)
Kim So-hyun
as Hwang Shin-hye (young)
Kim Byeong-gi
as Yoon Tae-jun
Oh Soon-tae
as Wan Bae
Seasons
Episodes
Season 1
Episode 1
Jang Dong Soo is a reckless investigator who will do anything to take down a kingpin mobster, even if it means heading back to his hometown and crossing paths with his past.
Episode 2
Heo Young Dal is in deep debt, and finds that the only way to get out of his own messes is to be Jang Dong Soo's informant.
Episode 3
With a lot of stolen money in his hands, Young Dal and Jang Soo must now tread carefully so that they won't be found by Boss Ki Chan's enemies. Yang Ha finally gets Jung Hee to have a drink with him.
Episode 4
Young Dal gets in trouble with Ki Chan's enemies, and finds himself caught up against Watanabe. Dong Soo learns more about Go Bok Tae's gangster past that might be tied to his own.
Episode 5
Young Dal resolves to take over the town of Sabuk. Shin Hye's father makes a special request to Jang Soo that will forever taint his reputation.
Episode 6
Shin Hye heads to Sabuk to learn more about Dong Soo. Young Dal moves forward with his plans to take over Sabuk. Yang Ha's secret identity is slowly revealed to more people in the casino.
Episode 7
Young Dal and Dong Soo reaffirm their alliance even though Young Dal isn't sure if he's completely loyal to the detective yet. Yang Ha takes his place as a director in his father's company.
Episode 8
Dong Soo leaves the force, and begins his own investigation on his father's death. Young Dal sets his plans to take over Madam Jang's casino in motion.
Where does Triangle rank today?
Triangle is #1630 on the CineFlixo Daily Streaming Charts today.
- Highest: #1630
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Watch Triangle Online Free — All Episodes in HD
Looking for a place to watch Triangle online for free? You've landed on the right page. Triangle is a popular Coreano drama series from 2014 that you can stream right now on CineFlixo in high quality, no signup required.
About Triangle
When three brothers were very young, they lost their parents. The three brothers were then separated and lived apart for 20 years without knowing of each other. They then meet again unexpectedly and begin their relationship as brothers. Jang Dong-Soo (Lee Beom-Soo) is the oldest brother. He works as a detective. Jang Dong-Woo (Siwan) is the youngest brother. He was adopted by a rich family when he was a baby and became Yoon Yang-Ha. He is cynical and cold. Across 1 season and 26 episodes, originally airing on MBC.
Triangle Cast and Characters
The cast features Kim Jae-joong (as Heo Young-dal / Jang Dong-chul), Yim Si-wan (as Yoon Yang-ha / Jang Dong-woo), Lee Beom-soo (as Jang Dong-soo), Oh Yeon-soo (as Hwang Shin-hye), and Baek Jin-hee (as Oh Jung-hee). Their performances are a major reason Triangle has built such a passionate audience.
Where to Watch Triangle Online
CineFlixo lets you stream Triangle online free, instantly, in HD. There's nothing to install — open the page, hit play, done. Works perfectly on Jio, Airtel, Vi networks across India and on slow mobile data thanks to our adaptive video pipeline.
▶ Watch Triangle NowWhy People Are Watching Triangle
Triangle flies under the radar but it deserves your attention. What makes it work is emotional weight that hits where it counts. If you enjoy Coreano storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Triangle
Where can I watch Triangle online for free?
You can watch Triangle online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Triangle have?
Triangle has 26 episodes across 1 season. All episodes are available to stream right here on CineFlixo.
Is Triangle good? What's the rating?
Triangle holds a 6.9/10 rating based on 4 reviews — a solid pick if the genre interests you.
Who is in the cast of Triangle?
The main cast includes Kim Jae-joong, Yim Si-wan, Lee Beom-soo, and Oh Yeon-soo, plus a strong supporting ensemble.
Is Triangle available in Coreano?
Yes — Triangle was originally produced in Coreano and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Triangle released?
Triangle first aired in 2014.
Do I need an account to watch Triangle on CineFlixo?
No. CineFlixo is free and you can watch Triangle without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Frequently Asked Questions
Where can I watch Triangle for free?
You can watch Triangle online for free on CineFlixo. All 26 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Triangle have?
Triangle currently has 1 season and a total of 26 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is Triangle about?
When three brothers were very young, they lost their parents. The three brothers were then separated and lived apart for 20 years without knowing of each other. They then meet again unexpectedly and begin their relationship as brothers. Jang Dong-Soo (Lee Beom-Soo) is the oldest brother. He works as a detective. Jan… It belongs to the Drama genre.
In which language is Triangle originally available?
Triangle was originally produced in KO. On CineFlixo the show is available in its original KO audio. Check the player options on the watch page for available subtitle tracks.
When was Triangle first released?
Triangle first premiered on May 5, 2014 (2014). The series has since concluded its run.
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