The Innocent Man(세상 어디에도 없는 착한남자)

Kang Ma-Ru, a promising medical student, is betrayed by his childhood crush, aspiring reporter Han Jae-Hui. After taking the fall for a crime he didn't commit, Ma-Ru becomes a washed up bartender and gigolo stewing away at his lost future. When the opportunity for revenge comes through a young chaebol heiress, Ma-Ru takes it.