t"s Miko"s first time to experience the joy of chasing fireflies. She has never seen one but she imagines their magical glow. With her older brother, Toshio, she walks to the park to watch the principal of their school open a box to release fireflies into the night. For Miko they are a wonderment. But her fascination with the small blinking lights sets in motion a dilemma and Miko must decide what to do.