With his high school graduation behind him, Andy Hardy decides that as an adult, it's time to start living his life. Judge Hardy had hoped that his son would go to college and study law, but Andy isn't sure that's what he wants to do so he heads off to New York City to find a job. Too proud to accept any help from Betsy Booth, Andy finds that living on his own isn't so easy. With perseverance he eventually finds a job and even gets to date the pretty receptionist in his office. He also has to face several of life's lessons leading him to conclude that he may still have a bit of growing up to do.

Son diplôme en poche, André Hardy rêve de faire fortune New York. Mais la vie est dure dans la mégapole...

Andy Hardy vuol farsi da solo. Deluse le aspettative del padre, che lo vorrebbe avvocato, va a New York a cercare fortuna. Ma non la trova. Dovrà tornare quatto quatto al paesello. Terza e ultima partecipazione di Judy Garland alla serie Hardy. Ormai grandi cose l'aspettavano.

Una vez graduado en el instituto, Andy Hardy decide que ya es un adulto y ha de decidir qué hacer con su vida. El juez Hardy confiaba en que fuera a la Facultad de Derecho, pero Andy no se decide y va a Nueva York para encontrar trabajo. Demasiado orgulloso para aceptar la ayuda de Betsy Booth, no tarda en descubrir que vivir solo no es tan fácil. Por fin, encuentra empleo, y hasta concierta una cita con la bella recepcionista de la oficina. También ha de afrontar varias lecciones de la cida, hasta llegar a la conclusión de que tal vez sea menos adulto de lo que creía.