The Smile Has Left Your Eyes

The story, without spoilers

A detective thinks about quitting his job. He takes on a female university student murder case that was disguised as a suicide. The detective becomes obsessed with solving the case. He has a young sister and she meets a man. The man does not remember when he was little. He is not a good person, but she has sympathy for him. The detective tries to push the man away from his younger sister. The detective suspects that the man is somehow involved in the female university student murder case. The man and the detective's younger sister fall in love.

Cast & characters

Seo In-guk

Kim Moo-Young

Jung So-min

Yoo Jin-Kang

Park Sung-woong

Yoo Jin-Kook

Seo Eun-soo

Baek Seung-Ah

Jang Young-nam

Tak So-Jung

Kwon Soo-hyun

Eom Cho-Rong