板仓亮子(宫本信子 饰)是港町税务署的调查员,她工作认真负责,但在收到一位老婆婆的指责后,她不再将目光停留在普通老百姓身上,而是转移到大的商会上面。在她锲而不舍的追查下,许多狡猾的公司老板纷纷现出原形。不过亮子也有为难的时候,经营旅馆业的权藤英树(山崎努 饰)就是一条狡猾的老狐狸,任凭亮子怎样调查也找不到蛛丝马迹。
不久后,亮子因工作出色被调到国税局侦查科,她和同事齐心协力侦破不少偷税案件。随着一同匿名举报电话的到来,权藤的案子再次提出,亮子决心将其偷税事实彻底查清……。北海道警署高层在警员收受贿赂一案中,涉嫌侵吞调查费,为了更为彻底取得证据,政府成立“百条委员会”以便直接传唤警署的证人。与此同时,名叫水村朝美(乙黒えり 饰)的女警员被人杀害,与之曾有过男女关系并且将再次日前往百条委员会作证的警员津久井卓(宮迫博之 饰)拥有重大嫌疑。高层一反常态下达射杀令,津久井危在旦夕。与此同时,被从水村一案剔出的佐伯宏一(大森南朋 饰)和搭档小岛百合(松雪泰子 饰)、新宫昌树(忍成修吾 饰)等人倍感蹊跷,他们聚首在警员的禁忌之地黑鸟酒吧,决定彻底查清真相,将津久井安全送往委员会……
本片根据佐佐木让的警察小说《うたう警官》改编,由角川书店老板角川春树亲自掌镜。。Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the following day he receives an envelope with photos of him killing the man. Someone is killing all his friends and trying to frame him for the murders...。