The Scent (Korean: 간통을 기다리는 남자; RR: Gantongeul Gidarineun Namja; MR: Kant'ongŭl Kidarinŭn Namcha; lit.

A couple of days before resuming his old job, Seon-u accepts a case from a woman, Kim Soo-jin (Yoon Jae), who wears a particularly alluring perfume.

She says her husband, casino billionaire Nam Yeong-gil (Jo Won-hee), is conducting an affair with another woman at a love hotel in Gapyeong, Gyeonggi Province, outside Seoul.

Along with his idiot assistant, ex-con Gi-poong (Lee Kwang-soo), Seon-woo cleans the crime scenes and buries the bodies, realizing he's been framed for the double murder.

Resuming his job at Jonggu Police Station, Seon-woo investigates the case along with two colleagues: the stubbornly procedural Seo (Kim Jung-tae), who dislikes him, and the easy-going Han Gil-ro (Joo Sang-wook), who admires him.