The plot describes the son of a Jewish rabbi who wants to be a Broadway star, singing and dancing. The move met with strong opposition from parents. They just want him to be the lead singer in the Jewish ceremony. But the son, who loves jazz deeply, only wants to sing pop songs. Years later, when he left home and changed his name, he finally stepped onto the stage and realized his dream of becoming a jazz singer in a nightclub bar in San Francisco. The first film had a sound film, but there were only a few dialogues, but it was enough to surprise the audience at that time. The film made musical comedian Joelson famous and revolutionized the trajectory of the entire film industry. It has been remade many times, starring Neil Damon and Lawrence Oliver in the 1980 version.