Agatha Christie's "Three Act Tragedy" is a classic detective novel filled with unexpected twists and intrigues. The action takes place in a theatrical setting, where the main character, the famous detective Hercule Poirot, investigates a mysterious murder. During the play's rehearsals, the actors and staff find themselves in complex and dangerous situations. Poirot, with his brilliant methods, tries to uncover the culprit and solve this challenging case.