The story of 'Midnight' revolves around Shinya Mito - an aptly named taxi driver whose nickname means 'mid' and 'night'. Shinya encounters passengers with unique personal challenges and utilizes his skills to assist them in various ways. He drives the taxi to fund Mari's hospital expenses; she suffered brain damage under his supervision during a mishap. Shinya's cab boasts a fifth wheel that amplifies the car's handling on all terrains.