Cantor Rabinowitz is concerned and upset because his son Jakie shows so little interest in carrying on the family's traditions and heritage. For five generations, men in the family have been Cantors in the synagogue, but Jakie is more interested in jazz and ragtime music. One day, they have such a bitter argument that Jakie leaves home for good. After a few years on his own, now calling himself Jack Robin, he gets an important opportunity through the help of well-known stage performer Mary Dale. But Jakie finds that in order to balance his career, his relationship with Mary, and his memories of his family, he will be forced to make some difficult choices.

Two young men fall in love for the same same girl. After US enters WWi, both join the Air Corps and become ace. They remain friends, but the realtion to the girl threatens their friendship.

John Carter just had one of those days. First he had an argument with a mysterious Frenchman. Then Alice wants him to pick her up at the park after she has a fight with Robert over him. So Carter takes the roadster just as Marie and Joe were getting ready to leave. But Kendall, the butler, follows the roadster as he thinks it is Joe and his girl Marie. So when Carter picks up Alice and goes out in the country to park - he is shot dead. But the next day, he is found dead in the library at home. The investigation may be run by Inspector Piper, but most of the snooping is done by Hildegarde. The Sultan's Emerald, and a picture of the Cellini Cup, may be the clue leading to Carter's killer.