Actor Itou Atsushi plays the psychological Department of internal medicine physician Taguchi Kouhei, in the fourth part was sent for the implementation of the "hospice" by the resident place of trust hospital "service Beatrice hospital", CT pictures without material with unknown cause body is missing, so that he and his partner white Scepter auxiliary (Nakamura Tetsu decoration) together expose the dean Sakuramiya Iwashio (Liuba Toshiro decoration) plot.