A woman hires soldier-of-fortune Carson to smuggle her into Albania by way of Greece. Their trouble is just beginning when they get there.

Insurance salesman Tom and his wife Jenny are struggling through the first years of marriage in a modest flat, on Tom's even more modest salary. By contrast Drew, Tom's old army pal, is a footloose bachelor currently running a car-hire firm owned by his rich uncle, who lives in Canada. Since Drew's uncle makes it clear that his nephew will only inherit the business when he's a respectable married man, his upcoming visit throws Drew into a panic. Having taken a fancy to the vivacious Jenny, Drew persuades her to masquerade as his wife – an arrangement that leads the trio into some highly complicated situations!

On the eve of the Russian Revolution, a performance of "Tosca" is taking place at the opera house. The artists and staff are too engrossed in their work to notice the unrest in the streets. The leading roles are played by Marina Marta and René Areno, who are also lovers. However, Marina has another admirer in Captain Alexander von Harbin. When, during the final performance, the insurgent communists suddenly storm the opera house, Alexander seems to be Marina's last hope…