Lin Shen has a stubborn personality, but because her mother likes gentle girls, she is often held back. She envies her older brother and wishes she could be a boy.
But when the two mysteriously switch bodies, she gets to experience freedom.
He Yuan is so gentle by nature that he struggles to open up to his father and grandfather. A magical wishing coin from that year causes the two of them to switch bodies.
Lin Shen: We both have a secret.
He Yuan: In this uncertain, ever-changing world, you're the only one who can recognize me.
