Biochemists give fruit-fly serum to a dying woman, with side effects.

A European princess arrives in New York City to secure a much-needed loan for her country. She contracts the mumps, and an actress who looks exactly like her is hired…

Members of a circus troupe “adopt” Lili Daurier when she finds herself stranded in a strange town. The magician who first comes to her rescue already has romantic entanglements and…