Paul McCartney, a sus 75 años, vuelve al pasado. Decide aprovechar la oportunidad para hacer y decir las cosas que nunca pudo a John Lennon, pero lo más importante, intenta cambiar el pasado para salvarle la vida. ¿Logrará salvar su vida y ganarle al destino?

John has hopes, and just wishes to enjoy the last year at his new high school. However his mind just can't relax as he wishes, not after he introduces himself into a mysterious boy who makes him question everything he's ever known.