At 38, Tomoko reaches the midpoint of her life and reunites with her past self. The innocent, mischievous girl of her youth has gracefully matured with age, experiencing marriage and motherhood to arrive at who she is today. She became pregnant after a three-month relationship with a boyfriend three years her junior in college, married him, and raised a child. However, after just four years, her irresponsible husband betrayed her, destroying their family and marking the beginning of her life as a single mother striving for her child's sake. Now, on the verge of turning 40, she finds herself losing purpose, tormented by new encounters. Seeking answers, she confronts the landscapes etched in her memories and searches for a path toward the future.