犯罪风潮正在席卷城市，哈里上尉和他的蹩脚助手已经对肆虐城市的威尔逊?海兹团伙无能为力。上峰不满，派来强援协助哈里，于是拉萨雷指挥官再次归来，上一集中表现出色的尼克和昔日的学员法克勒作为新鲜血液，加入了高塔（BubbaSmith饰）、卡伦、泰克布雷、琼斯（MichaelWinslow饰）的五人小组，协助拉萨雷展开巡帧工作，但威尔逊一伙人似乎对警方的动向了若指掌，在幕后神秘人的指挥下应对有度。警方的巡侦和诱饵计划毫无收效，反被威尔逊等人四处作案抢得了主动。与此同时，被架空的哈里和市长谋划，用计将拉萨雷等人赶走。拉萨雷被栽赃陷害，与手下警员们一起被剥夺了职权，但英勇的警校毕业生们并未屈服，揭开了犯罪活动背后的房地产利益…… W.B.Yeats: The trees are in their autumn beauty,The woodlands paths are dry,Under the October twilight the waterMirrors a still sky;Upon the brimming water among the stonesAre nine-and-fifty swans.The nineteenth autumn has come upon meSince I first made my count;I saw, before I had well finished,All suddenly mountAnd scatter wheeling in great broken ringsUpon their clamorous wings.I have looked upon those brilliant creatures,And now my heart is sore.All's changed since I, hearing at twilight,The first time on this shoreThe bell-beat of their wings above my head,Trod with a lighter tread.Unwearied still, lover by lover,They paddle in the coldCompanionable streams or climb the air;Their hearts have not grown old;Passion or conquest, wander where they will,Attend upon them still.But now they drift on the still water,Mysterious, beautiful;Among what rushes will they build,By what lake's edge or poolDelight men's eyes when I awake some dayTo find they have flown away?