《是，大臣 第三季》讲述了在野党影子内阁成员吉姆·哈克在成功帮助本党获胜后，担任了行政事务部（DAA）部长的职务。从此，他面对着由公务员体系主导，以部秘书汉弗莱·阿普比为首的官僚机构。而他的公派私人秘书，同样是公务员的伯纳德，则夹在这两者之间。

在哈克代表的政治势力和阿普比代表的官僚体系之间，因施政而引发了种种冲突。两人的关系不断地变幻，既有相互合作的时候，也有相互揭露对方的老底。在英国政治体制中，包括政党体制和官僚体系，隐藏着许多不为外人所知的弊端和黑幕，这些都将在剧中展现，通过大量喜剧情节和幽默台词呈现给观众。

随着剧情的发展，《是，大臣 第三季》揭示了英国政治体制中权谋较量的真相，政治风云再次涌动。哈克在内阁中扮演重要角色，他的施政举措将直接影响国家的未来。而阿普比作为公务员体系的代表，将竭力捍卫官僚机构的利益。

在唐宁街10号，政治斗争的舞台更加复杂而激烈。哈克逐步崭露头角，通过党内角力晋升为首相。与此同时，阿普比也不甘示弱，他已先哈克一步成为首相秘书。两人的故事将在这个权谋纷争的政治舞台上继续展开。

Yes, Minister Season 3 follows opposition shadow cabinet member Jim Harker as secretary of the Department of Administrative Affairs (DAA) after successfully helping his party win. From then on, he faced a bureaucracy dominated by the civil service, headed by Minister Humphrey Appleby. And his public private secretary, Bernard, who is also a civil servant, is caught between the two.

Between the political forces represented by Harker and the bureaucratic system represented by Appleby, various conflicts have arisen due to governance. The relationship between the two is constantly changing, both when they cooperate with each other, and when they expose each other's old background. In the British political system, including the party system and the bureaucratic system, there are many hidden disadvantages and shady scenes that are not known to outsiders. These will be revealed in the play and presented to the audience through a lot of comedy plots and humorous lines.

With the development of the plot, "Yes, Minister Season 3" reveals the truth about the power struggle in the British political system, and the political situation is surging again. Harker plays an important role in the cabinet, and his governance measures will directly affect the future of the country. And Appleby, as a representative of the civil service, will try to defend the interests of the bureaucracy.

At No. 10 Downing Street, the stage of political struggle is more complicated and intense. Harker gradually emerged and was promoted to prime minister through party wrestling. At the same time, Appleby is not to be outdone, he has become the prime minister's secretary one step ahead of Huck. The story of the two will continue to unfold in this political arena of political strife.