Shin Hoseok was many things,  Handsome, talented, caring, and most of all Forgetful..when he forgets his umbrella on a rainy day, will an encounter with a  beautiful stranger change his life forever? 

Jung Jaehyun had always believed that promises were meant to be broken and that love doesn't really exist.  But will meeting someone special along the way allow him to change his ways of thinking? or will it only show him he's been right all along?