Mature company man Nagai Yasumi is forced to take four weeks vacation, but has no idea what to do with his time so he rides trains and sits in parks during the day. Moguro offers to help by introducing him to volunteering, however Nagai must expect nothing in return or become personally involved with the people he helps. He helps with the rehabilitation of a young woman which he enjoys, but he becomes attracted to her. When Nagai returns to the apartment, instead of the young woman, he finds an aged version of himself needing home care.