The Three Maxims are trapeze artists Pat (Anna Neagle), Toni (Tuilio Carminati) and Mac (Leslie Banks). After spending most of their careers in the small time, the threesome finally get their big chance in Paris, at which point Mac realizes he's in love with Pat.

Jacqueline intrigues a diplomat, so unbeknown to her he finds her an apartment and finances her musical training. She ends up falling in love with one of his underlings. It turns out that he is no good, will the diplomat save her?