故事描写生于战国乱世的江户幕府三代将军德川家光之乳母春日局的一生，而春日局在一般人的印象中是属于强势的角色，剧作家桥田寿贺子则给予新的诠释，将春日局演绎为一位全心献身于乳母之职的女人。平均收视率为32.4%，来自女性观众的支持者相当多。
It’s 2011 and we’re in Rome. The government is on the verge of collapse, the Vatican is at crisis point and the city’s squares are quite literally on fire. In the middle world, Cinaglia (Filippo Nigro) has tried to pick up where Samurai left off and, together with Badali (Emmanuele Aita), he is still managing the city’s criminal affairs, with the help of Adelaide (Paola Sotgiu) and Angelica (Carlotta Antonelli), who still head up the Anacletis, and Nadia (Federica Sabatini), who helps them to manage Ostia’s town squares.
他们在一次意外事件中相识，本以为只是彼此生命中的过客，却在不断逼近的危险与真相中，被迫站到同一阵线。当爱与责任、真相与救赎交织，他们必须在“刀刃之上”寻找各自的答案。
