In May 1919 in a small rural town beside Salgótarján the local high society wants to get the power back with the leadership of dr. Máriáss, exploiting the outside attack launched against the Republic of Councils.
The old, sickly Demeter Lapussa is a tyrant in the family. He forces his granddaughter, the beautiful Henriette, to marry baron Hátszegi, although the girl loves the penniless Vámhidy Szilárd. The two lovers attempt to commit suicide, then are torn away from each other.
Three people – a returned prisoner of war, his beautiful second wife, and the possessive, hunchbacked spinster who is his sister-in-law by his first marriage – are isolated in a little house under an extinct volcano, where each strives for personal happiness but is suffocated by their dependence on the others.
