Summary:

This Japanese horror story is set in a hospital in financial crisis, short of supplies and staff. We see various nurses and doctors struggling with their working conditions. A patient is injured falling out of bed, a nurse practices her IV technique on an unconscious burn patient, a demented woman wanders the hallways talking to apparitions she sees in mirrors. Two events set the central plot in motion: the burn patient dies because of a medication error and those present—Dr Akiba (Koichi Sato) who was responsible and Dr Uozumi (Masanobu Takashima) who was supervising, as well as the nurse who gave the lethal dose and her supervisor—decide to cover up the mistake, and a patient is brought to the ER suffering from a mysterious infection that is liquefying his internal organs.

Dr Akai (Shirô Sano), a senior physician, demands that Drs Akiba and Uozumi begin a study of the infected patient, despite their terror. The patient is never shown directly, but we see green ooze running from his bed. Akai argues that that discovering the pathogen causing this illness will raise money for the hospital, but the real incentive he offers is blackmail: he knows about the mistake and the cover-up.

As the night proceeds, all those involved in the error are infected, taking on zombie-like characteristics, behaving abnormally (a nurse attempts to transfuse her own blood into a corpse; a doctor tries to strangle a patient who has asked to have his pain relieved) and oozing green fluid before dying. With Dr Akiba, however, we begin to realize that the pathogen is not purely somatic. Dr Akai may in fact be the dead burn patient, the “green” ooze is red blood seen through the distorted perception of those haunted by guilt, and the title’s infection is the contagious fear felt by health care professionals who, for various reasons, are incapable of the infallible work of healing that is expected of them.

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