When Kiriko Yanagida first came to Otsuka's law offices, she had only a familial conviction of her brother's innocence despite his confessing to the murder. To the high-profile (and high priced) lawyer Otsuka, this small-town girl's belief was nothing more than naive hope, so he sent her away, advising her to find a local lawyer or something. Now, Kiriko plots to avenge her brother -- entirely pro bono.