Song Joong-ki
Smart and promising medical student Kang Ma-ru (Song Joong-ki) is deeply in love with his slightly older neighbor Han Jae-hee (Park Si-yeon), a television reporter. But when her situation takes a turn for the worse and Jae-hee becomes desperate to escape poverty, she meets a man who changes everything—a rich CEO who introduces her to a life of comfort. So she turns her back on Ma-ru, choosing money over love.