Jungkook, a playboy who dates girl just to dump her one or two weeks after dating them. Boy is just a one night thing for him. But one day when his friends had challenged him to date a boy for month, he can't back up because the reward for that challenge is what he yearned for. So when his friend find him a boy just by pointing his finger to a random boy and it happened to be a nerd one, and to make it worst, the boy is mute, according to his other friend.