2017年播出的《黑色皮革手册》讲述从大型银行侵吞1亿8千万公款，并以记载借名账户的“黑色皮革手册”为武器，爬上银座顶点的元子，在最后一集中跌落神坛并失去一切。本集SP剧情发生在3年后，围绕元子刑满释放后开始的新生活展开。以古都金泽为舞台，讲述她再次以顶点为目标不择手段往上爬的故事。
Two strangers meet in a subway car. Both bring their past with them. Both look from their present. Both will determine their future in that fleeting, and ephemeral, vital journey that brings them together briefly.
