While a roaring ball stirs up spirits inside, a boy and a girl meet on the sidelines – and fall in love at first sight. But because they belong to warring families, Romeo and Juliet's love may be immortal, but it is above all forbidden. The chamber opera by the German-Baltic composer Boris Blacher, written in 1943, condenses Shakespeare’s famous tragedy to its essence: the fate of Romeo and Juliet. Scenic miniatures conjure a foggy world hostile to love. Characters occasionally materialise like ghostly apparitions, while a Brechtian chansonnier comments with humour and with harshness on the failure of the greatest love story of all.

Katerina Ismailova is wealthily married and lonely, her husband impotent and her father-in-law a tyrant. She is trapped in a world where merciless brutality, despotism and cruelty reign. The woman with a lust for life and love gives way to her raw longing for freedom when a new labourer Sergei starts working for the Ismailov family. She throws herself into a passionate affair with him and poisons her father-in-law's food. But the increasing radicalism of her desire for self-determination will claim further victims...