"Eavesdropping on the Mind" tells the story of Chen Mo, a car accident survivor who accidentally acquires the ability to read minds, but is forced into a desperate situation by endless voices. The hustle and bustle of the supermarket, the disguise of his neighbors, and the secrets of his colleagues made him see clearly the abyss of human nature. When he hides in the darkness, he encounters an old man's mysterious death on a rainy night. A blood-stained key and the last words of "They want to kill me" drag him into a fatal whirlpool. The ordinary key hides a shocking secret, and the pursuer is quietly approaching...