Paul Celan, a Romanian-born Jewish Holocaust survivor, and Ingeborg Bachmann, the brilliant daughter of an Austrian Nazi Party member, met in postwar Vienna and entered into a passionate, deeply complicated love affair. Bound by an intense intellectual connection and a shared dedication to poetry, their relationship was repeatedly strained by Celan's profound psychological trauma and intense survivors' guilt. They struggled to maintain their bond through years of separation, brief reunions, and an agonized correspondence.

This painful post-war romance became one of the most significant literary dialogues of the 20th century, documented in their published letters, 'Heart's Time'. Their complex relationship directly shaped Celan's radical, fractured poetic language and influenced Bachmann's profound explorations of memory, guilt, and the utter failure of language in the wake of the Holocaust.