High Society (1955)

Sach is informed that he is the heir to the fortune of a high society mogul. When he arrives for the reading of the will, he discovers that the real heir is a young boy, and that Sach's birth certificate had been forged by family members who don't want the youngster to inherit all the money. Sach and the gang determine to expose the relatives' scheme and see that the boy gets what is rightfully his.