A couple visiting the hospital for a health check. The huge-cocked perverted doctor Sato working there was plotting a lewd scheme while pressing his stethoscope against the shy wife's breasts as she lifted her shirt herself. "I have to stay overnight for tests," the wife tells her husband. Unfortunately, only large ward beds were available, so she reluctantly closed the curtain and changed into hospital clothes, but the other patients in the large ward secretly peeked at her. Late at night when it became quiet, a suspicious figure approached her bed...