Adapted from the novel "Tenshi no Mimi" (天使の耳) by Higashino Keigo (東野圭吾).
The story follows Aya from the time she moves to Tokyo at age 23 up until she turns 40. Aya has to adjust to the different values and perceptions of the big city as she struggles with challenging situations. We get to follow Aya’s move from one neighborhood to another as she maneuvers her career and love life.