Ryuji Saikachi

On Christmas Eve, three homeless people living on the streets of Tokyo discover a newborn baby among the trash and set out to find its parents.

Mr. Takazawa, an elderly invalid who is cared for at his home by Haruko, a young nursing student, is chosen by the Japanese Ministry of Public Welfare to test the Z-001, a computerized hospital bed with robotic features that allegedly displays more efficiency and skills than any human nurse, but Haruko mistrusts a machine unable to consider human feelings.