Věc Makropulos by Karel Čapek

Set in the early 20th century, this thought-provoking play explores the consequences of immortality through the story of a mysterious opera singer who has lived for over 300 years due to a secret elixir. As she navigates a complex legal battle over an inheritance, her true identity and the burden of eternal life are gradually unveiled. The narrative delves into themes of existentialism, the human desire for longevity, and the ultimate realization that immortality may not be the blessing it seems, raising profound questions about the nature of life and the inevitability of death.