Great Gift

In a certain university hospital, taking the suspicious death of a certain patient as an opportunity, the pathologist Tatsumi Fujimaki, who could no longer be promoted, discovered the unknown murderous coccus "Gift". If this coccus invades the body, the patient will die quickly. Later, the cocci completely disappeared and the cause of death could only be diagnosed as acute heart failure, a terrible cocci that made complete crime possible. Can Fujimaki, who unexpectedly ascends the ladder of power, survive the heroic struggle for survival surrounding the killer cocci? Survival and death, justice and evil, entangled in the end, what was the scene he saw? And who is the real culprit who brought the cocci into the hospital and caused the serial murders?