Yu Gang Hyuk was only 7 years old when his father was murdered in a car "accident" and separated from his identical twin, Yu Shin Hyuk. He forgot his name and family and given the name Suh Ha Eun by his adopted father Suh Jae Soo. He falls in love with his adopted sister, Eun Ha and tried to be very honorable about it. He was led to become a cop because of his father's badge. While investigating an alleged case of suicide, he eventually learns of his twin brother. Against the warnings of his peers, Ha Eun becomes more and more involved in this suspicious case. As a part of a larger scheme, Ha Eun is targeted for a hit by unknown individuals. And when Ha Eun and Shin Hyuk finally meet for the first time in twenty years, the murderers kill Shin Hyuk accidentally mistaken him for Ha Eun. As a result, Ha Eun vows to get revenge by giving his enemies psychological torture and takes on his brother's persona as an undercover cop and that is where the drama begins.

Cast & crew

Park Chan-hong

Director

Uhm Tae-woong

Seo Ha-eun/Yoo Shin-hyuk

Han Ji-min

Seo Eun-ha

So I-hyeon

Lee Kang-joo

Go Joo-won

Jung Jin-woo

Ki Joo-bong

Jung Sang-gook

Kim Yoon-seok

Chun Gong-myung

Lee Dong-kyu

Park Hee-soo

Kim Kap-soo

Lee Tae-joon

Kim Kyu-chul

Choi Dong-chan

Lee Dae-yeon

Kyung Ki-do

Lee Jeong-kil

Kang In-chul

G

Go Myung-hwan

Kim Soo-cheol

Sunwoo Eun-sook

Kim Yi-hwa

Lee Yeon-hee

Kang Shin-young

Ahn Nae-sang

Yoo Gun-ha

Cho Jae-wan

Ahn Jae-hoon

Kang Shin-il

Seo Jae-soo

Kwak Jung-wook

teenage Ha-eun

Park Eun-bin

young Seo Eun-ha

Seasons

24 episodes

Season 12005 · 24 episodes