In one of the developing countries, local and Soviet geologists discovered a tantalum ore deposit. Having learned about this, the CIA now intends to draw the country into the American sphere of influence: to incite discontent among religious communities, organize student unrest and provoke a severance of diplomatic ties with the USSR...

Two candidates are vying for the post of mayor of one of the major Western European cities - the Social Democrat Dr. Hayden and the "free nationalist" Alden. On the eve of the election, an independent journalist receives documents confirming Alden's connection with the secret services. He becomes the object of blackmail, but does not change his intentions to expose Alden.

KGB agents are organizing the disinformation campaign for a western spy.

Using an elaborate system of denunciation, the chief of the Zone keeps his prisoners in check. A new inmate, allegedly imprisoned for speculating on postage stamps, tries to rebel against the system.

根据KGB副主席茨维恭纪实小说《我们一定会回来》改编，吉洪诺夫主演的苏联卫国战争题材“战争三部曲”系列电影的第一部。 1941年斯摩棱斯克附近，苏军少校团长伊万·穆林斯基所率独立团深陷敌后且与师部完全失去联系。独立团残部孤军奋战终于得以突围，但因伤员众多、医药与粮弹短缺而被迫进入森林沼泽地带…… 少校派出两名侦察员穿过火线与集团军司令部取得联系，后受命联合当地游击队牵制进攻莫斯科的德军，同时反击德军围剿和渗透…… 这支人数不多的正规军在敌后展开旷日持久的游击作战。