Season
- Season 1 2014-05-05
Episode
- Episode 1: Episode 1
- Episode 2: Episode 2
- Episode 3: Episode 3
- Episode 4: Episode 4
- Episode 5: Episode 5
- Episode 6: Episode 6
- Episode 7: Episode 7
- Episode 8: Episode 8
- Episode 9: Episode 9
- Episode 10: Episode 10
- Episode 11: Episode 11
- Episode 12: Episode 12
- Episode 13: Episode 13
- Episode 14: Episode 14
- Episode 15: Episode 15
- Episode 16: Episode 16
- Episode 17: Episode 17
- Episode 18: Episode 18
- Episode 19: Episode 19
- Episode 20: Episode 20
- Episode 21: Episode 21
- Episode 22: Episode 22
- Episode 23: Episode 23
- Episode 24: Episode 24
- Episode 25: Episode 25
- Episode 26: Episode 26
Triangle Season 1 Episode 18
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.
