Fresh off medical school, young doctor Shuji reports for duty at the secluded Kiyosato Hospital, still troubled by memories of his father’s fatal operation there a decade earlier. He is immediately unsettled to learn that the surgeon responsible now holds the post of assistant director. The same day brings another shock when Shuji crosses paths with Misako, his former girlfriend, who is now married to the doctor under circumstances that raise immediate doubts. Determined to learn the truth, he begins quietly probing the hospital’s past.