Junior psychiatrist Dr. Man experiments with unorthodox methods to treat his new patient, a taxi driver named Choi who suffers from violent visions. As the treatment progresses and Choi unlocks memories of his shameful past that drove him to madness, Dr. Man begins to suffer nightmares that surface his own dark secrets.
Can his methods cure Choi of his nightmares, or will they condemn them both to even greater madness?