Idol I (South Korean Television Series)

Idol I is a South Korean television drama series broadcast on the network ENA and the streaming platform Genie TV. Directed by Lee Gwang-Young and written by Kim Da-Rin, the series spans 12 episodes and originally aired from December 22, 2025, to January 27, 2026, occupying the Monday and Tuesday 22:00 time slot.

Promotional poster for the television series Idol I designated as Idol I-tp01 — Idol I-tp01

Plot Synopsis

The narrative centers on Maeng Se-Na, portrayed by Sooyoung, an accomplished criminal lawyer with a 100% success rate who frequently accepts cases shunned by other legal practitioners. Privately, she harbors an eleven-year history as a dedicated fan of Do Ra-Ik, played by Kim Jae-Young, who is a prominent member of the idol band Gold Boys. When Do Ra-Ik faces sudden and unexpected accusations of murder, Maeng Se-Na steps in to represent him as his defense counsel.

Portrait of actress Sooyoung who plays Maeng Se-Na — Sooyoung

Portrait of actor Kim Jae-Young who plays Do Ra-Ik — Kim Jae-Young

Cast and Characters

The series features an extensive ensemble cast across various legal, corporate, and law enforcement organizations:

Sooyoung as Maeng Se-Na
Kim Jae-Young as Do Ra-Ik
Jeong Jae-Kwang as Kwak Byung-Gyun
Choi Hee-Jin as Hong Hye-Joo
Kim Hyun-Jin as Park Chung-Jae

Portrait of Jeong Jae-Kwang — Jeong Jae-Kwang

Prosecutors' Office

Kim Min-Sang as Kwak Jong-Chul
Jo Wan-Ki as Kim Gi-Wook
Lee Ju-Hyoung as an investigator
Jung Hoi-Dong as Manager Heo
Lee Seung-Hoon as Jung Seung-Hyun
Nam Jin-Bok as a prosecutor (ep. 1)
Lee Ki-Sub as a prosecutor (ep. 8)
Kwon Ban-Suk as a prosecutor (ep. 8)

Portrait of Lee Ju-Hyoung — Lee Ju-Hyoung

Portrait of Jung Hoi-Dong — Jung Hoi-Dong

Portrait of Lee Seung-Hoon — Lee Seung-Hoon

Cheon Un Law Firm

Kim Won-Hae as Cheon Gwang-Soo
Oh Jung-Hwan as Manager Lee
Gu Ye-Rim as Ye-Sol
Kim Si-Heon as a lawyer
Bae Woo-Jin as staff

Goldi Entertainment

Jeong Man-Sik as Geum Bo-Sang
Jo Hyun-Sik as Jang Han-Gu
An Woo-Yeon as Kang Woo-Seong
Park Jeong-Woo as Choi Jae-Hee
Choi Keon as Lee Young-Bin
Nam Joong-Gyu as assistant
Ha Seung-Youn as a staff member (ep. 1)

Portrait of Jeong Man-Sik — Jeong Man-Sik

Portrait of Park Jeong-Woo — Park Jeong-Woo

Portrait of Nam Joong-Gyu — Nam Joong-Gyu

Portrait of Ha Seung-Youn — Ha Seung-Youn

Police

Jo Jae-Ryong as Yoo Nam-Sik
Kim Jae-Il as detective
Kim Kye-Hyung as detective
Oh Gi-Gwang as detective
Hwang Dong-Ha as a police officer (ep. 3)
Kim Jin-Seo as a police officer (ep. 7)

Portrait of Kim Kye-Hyung — Kim Kye-Hyung

Portrait of Hwang Dong-Ha — Hwang Dong-Ha

Maeng Se-Na's Family

Park Won-Sang
Park Sharon

Portrait of Park Won-Sang — Park Won-Sang

Broadcast Schedule

Idol I took over ENA's Monday and Tuesday 22:00 time slot, which was previously occupied by Heroes Next Door, and was subsequently followed by the television drama Honour on February 2, 2026.