Genre: Melodrama, family, romance, action, crime
Episodes: 24
Broadcast network: MBC
Broadcast period: 2014-May-05 to 2014-???-??
Air time: Monday & Tuesday 22:00
Original Soundtrack: Triangle OST
Synopsis

A drama about three brothers who reunite after 20 years through twist of events, ever since the death of their parents from two decades ago.
Jang Dong Soo the oldest brother become a detective, while Dong Chul the middle brother uses an alias name Heo Young Dal to become the boss of a crime gang. The youngest, Dong Woo, grows into a cold person after being adopted by a rich family.

Main Cast
Lee Bum Soo as Jang Dong Soo
No Young Hak as young Jang Dong Soo
Kim Jae Joong as Jang Dong Chul / Heo Young Dal
Im Si Wan as Jang Dong Woo / Yoon Yang Ha
Oh Yun Soo as Hwang Shin Hye
Kim So Hyun as young Hwang Shin Hye
Baek Jin Hee as Oh Jung Hee

• Triangle – 트라이앵글 – Episode 10 (English Subtitle)

• Triangle – 트라이앵글 – Episode 09 (English Subtitle)

• Triangle – 트라이앵글 – Episode 08 (English Subtitle)

• Triangle – 트라이앵글 – Episode 07 (English Subtitle)

• Triangle – 트라이앵글 – Episode 06 (English Subtitle)

• Triangle – 트라이앵글 – Episode 05 (English Subtitle)

• Triangle – 트라이앵글 – Episode 04 (English Subtitle)

• Triangle – 트라이앵글 – Episode 03 (English Subtitle)

• Triangle – 트라이앵글 – Episode 02 (English Subtitle)

• Triangle – 트라이앵글 – Episode 01 (English Subtitle)