Triangle

Name: Triangle
Genre: Drama
Released: 2014-05-05
Cast: Kim Jae-joong, Yim Si-wan, Lee Beom-soo, Oh Yeon-soo, Baek Jin-hee

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Ended
2014
26 episodes
60 min per episode
Drama
MBC

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Where to watch Triangle in the US

Triangle isn't currently available on any subscription platform in the US.

Availability updated November 3, 2026.

Triangle plot

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.