Our film follows the track of the father-daughter relationship evolving over twelve years as they commute to work and school on the same train on the Sotetsu Line. The entire story is set on a train and was filmed in one shot.As the daughter grows, she explores new social values, ventures beyond her family circle, and becomes distant from her father. The ever-changing father-daughter relationship throughout the years is styled as a seamless time-lapse sequence of 50 lookalike actors with train's winding movements to express the swaying emotions of the two. It reflects how life goes by in a succession of ordinary moments like an uncut one-shot film.In the final scene, the father prepares to get off at their usual station, except this time, the daughter will continue on to her new university in Tokyo. She is on the new connecting line that goes directly into Tokyo.