"Are you familiar with Summer Ghosts?" Tomoya, Aoi, and Ryo are three high school students that met online. The Summer Spirit, according to urban legend, is a young woman's ghost that emerges after fireworks are fired. Tomoya is unable to live the life he desires. Aoi can't find her place in the world. Ryo's bright future is abruptly over. Each of them has a different cause for encountering the Summer Ghost. Where will each of their thoughts go on a June night when life and death collide?