Standing 190 cm tall with a fiery personality, detective Park Do-hyun quickly solves cases.
As always, without worrying about his own safety, he ends up hospitalized while working on a case.
Upon hearing the news, his partner and fellow detective, Lee Seung-woo, whose personality is completely the opposite, rushes to the hospital.
Without considering his own feelings, Seung-woo, tired of seeing Do-hyun get hurt over and over, decides to end their relationship.

Will Do-hyun be able to win Seung-woo’s heart back?