这次特别篇的舞台，是吉宗治世20多年后的江户城。原创系列中年轻的将军吉宗也面临着六十大寿的继承问题。剧中保留了系列的世界观和魅力，在继承问题上摇摆不定的吉宗和江户城内的人们的模样，以及在城下町发生的阴谋漩涡的疑难事件，将被加入新的角色和时代性来描绘。
遇播放卡顿或无法播放时，可切换线路播放
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