One night in 1912 in the house of the factory owner Arthur Birling, they celebrate the engagement of two young persons. The pleasant atmosphere is spoiled by sudden news: It is about the suicide of the young worker Eva Smith. Inspector Goole a mysterious person, coming from the future, and controlling the consciences of the bourgeois class, brings the news. After the interrogation, it is revealed that all the members of the family, even the prospect groom, played a part in leading the girl to commit suicide. Everyone reacts in his own way, however in the end, their defenses pass to confession and end up to a whisper. A social analysis of the bourgeois class with an intense critical behavior. The supposed accidental contact of all the members of the family with a lady from the populace is not but a necessary contact of the bourgeois with the working class, the relation between the exploiter and the people exploited.