“Pink Ddorai (Weirdo)” Lee Mongryong, is kidnapped by mysterious gangsters. Before this, his one and only older sister, ‘Hyeyeong’ was planning on introducing him to her to-be husband before she suddenly disappeared.

Seok Jeha, the black-sheep second son of a gangster family, has come to dispose of Hyeyeong’s husband who has stolen company information.
Stuck in a situation of chasing and being chased, being swept around by Mongryong, Jeha feels like he’s going crazy. But strangely, a corner of his hardened heart begins to melt…?