After separating nine years ago, Youngmin and his first love, Jihoon, were reunited in the same homeroom class. There's just one problem... it's not actually Jihoon. When they were young, a traumatic car accident landed Jihoon with a whole new soul! To avoid suspicion, fake Jihoon enlists the help of his old friend to fool the whole world about his identity. This cocky new guy is nothing like the sweet and polite Jihoon... so why is Youngmin still feeling nervous?