The Mind's Prison follows Chen Mo, a car accident survivor who unexpectedly gains the ability to read minds, only to be driven to the brink by an endless flood of thoughts. The bustle of the supermarket, his neighbors' disguises, and his coworkers' secrets reveal to him the depths of human nature. When he hides in the darkness, he encounters the mysterious death of an old man on a rainy night. A bloodstained key and the dying words, “They're going to kill me,” drag him into a deadly whirlpool. An ordinary key holds a shocking secret, and the pursuers are already closing in...