Mrs. Warren's Profession is a play written by George Bernard Shaw in 1893, and first performed in London in 1902. It is one of the three plays Shaw published as Plays Unpleasant in 1898, alongside The Philanderer and Widowers' Houses. From Wikipedia
Dominic Cooke’s adaptation at London’s Garrick Theatre modernizes the play with Greek tragedy influences, but critics question its emotional resonance.