近未来，各种恶性犯罪日益增长，为了应对这一现状，新的司法系统“序审裁判”得到推广。该系统允许辩护律师和检察官当庭辩论，并在三日之内迅速得到审判结果。当下，人称“天才检察官”的御剑怜侍（齐藤工 饰）大展才华，接连制胜，大有其恩师——40年间未尝败绩的完美检察官狩魔豪（石桥凌 饰）的风姿。与之相对，新人律师成步堂龙一（成宫宽贵 饰）的事业则步履维艰。某天，成步堂的上司绫里千寻（檀丽 饰）遭人杀害，千寻的妹妹真霄（桐谷美玲 饰）被指为凶手。成步堂自告奋勇为真霄辩护，与童年好友怜侍展开对决。谁知不久之后，怜侍也被当作另一宗命案的嫌疑犯逮捕，而这一切全都与15年前一起神秘的案件有关。成步堂能否成功为好友洗脱罪名呢？
A rookie lawyer Ryuuichi Naruhodou stands up to save his defendants by proving their innocence from unusual cases! Is the defendant guilty or innocent...? Believing his client's innocence Naruhodou stands in court and battles his rival judges. With the word of "OBJECTION!" and limited evidence, Naruhodou makes a comeback when all odds are against him and seems like there is nothing more he can do. Don't miss out on the comical episodes between him and his mentor Chihiro Ayasato, assistant Mayoi Ayasato, rival prosecutor Reiji Mitsurugi, and numerous unique characters! The anime also depicts the childhood relationship between Naruhodou and his friends. With the skills inherited from his mentor Naruho reveals the truth!
