JongHyun and Key dated for almost a  year, but they broke up because of Shin Se Kyung. Key couldn't face the fact that JongHyun ad left him for her and slumped into depression. Key's best friend Onew, tries to help Key get better. But as time passes and Key slowly recovers, Key finds himself slowly but surely falling for Onew. Will Onew be able to let Key fall in love again?