Yumi, a married woman who travels around the country as a truck driver. Today, she drives off in her beloved car to deliver a package requested by a friend. However, on the way, she finds a young man she doesn't know who has sneaked into the back of the truck... The young man calls himself Shinji and says that he has run away from home to see his long-lost mother. Yumi, who is weak to Naniwabushi, readily agrees to let him share the ride. Late at night, Yumi takes a short break to take a nap. Shinji, who has been starving for his mother's love, begins to touch Yumi's body as she sleeps...