The bored heir to a soap factory is able through pure chance to work incognito in the 153rd branch of the business. While doing so, he falls in love with a beautiful customer, gets into a rivalry with a jealous worker and helps to expose a dishonest boss.
Riccardo and his troupe travel around the world performing musical and dance numbers in vaudevillian and circus theaters. Dancer Kitty is so impressed when she hears him sing that she asks to enter the company, but is turned down by Riccardo. Then in the middle of a number at the Winter Garten she pops in and the audience loves it. Now she will try to win Riccardo's heart, although he has a secret from his past that might be an obstacle.
