Synopsis

The writer summoned Kogoro Mouri to investigate a possible affair between her husband and his assistant. They spent the night together, but by morning, all three lay dead, victims of poisoning. The husband had succumbed first, after taking poisoned sleeping pills. Next was the assistant, who had drunk poisoned tea. Finally, the writer herself perished from poisoned chocolate bars. Conan Edogawa noted inconsistencies: spilled water and two untouched chocolate bars in the writer’s room. The tr