"An Inspector Calls" is a play written by J.B. Priestley in 1945. It is set in 1912 and revolves around the wealthy Birling family, who are celebrating the engagement of Sheila Birling and Gerald Croft. Their evening is interrupted by the arrival of Inspector Goole, who questions them about the suicide of a young woman named Eva Smith. As the Inspector reveals the family's connections to Eva, each member's moral responsibility comes into question. The play explores themes of social responsibility, class, and the interconnectedness of society, ultimately prompting the characters—and the audience—to reflect on their actions and their impact on others.