A group of jolly young people work in the Prague Tesla factory, also spending most of their leisure time together. One of them, guitar player Zdenek, begins to shun his friends' company. He has fallen in love with Vera, who does not belong to the group. The happy-go-lucky young man already has several acquaintances and has his own method to get a girl: to take his motorcycle, his guitar and a bottle of wine and take her to a rented houseboat. Vera, however, is different and gets angry at Zdenek. But she is fond of him and thus eventually spends a whole evening with him on the houseboat. At a preventative medical examination, the doctor tells Vera she is pregnant.
The Emperor's mismanagement of his country is provoking some in his court to plot to overthrow him. He feels successful, at least, when he discovers the legendary Golem, which he believes can protect him and even cure his imaginary illnesses but, when he disappears while on a bender, his kindly baker, who looks just like him, is mistaken for him, and begins to put things in order. However, the conspirators, not to be outdone, determine to bring the Golem back to life to do their bidding.
In early 20th century Czechoslovakia, a gravely ill chemist recalls his discovery of a powerful explosive and how it landed in the hands of anarchists.