Colonel Koloda, recruited by foreign intelligence, stole secret documents of national importance. In fact, the documents are fake, disinformation for foreign intelligence agencies. The surveillance of the traitor leads the operatives to the bank, where he leaves the documents in the cell number 69. To establish who will come for them, Captain Alexey Vereshchagin comes to the bank under the guise of a client. Ironically, it is this bank that Mikhail Druskin, a desperate candidate of sciences and single father, wants to rob. When he sees the police, he takes the bank's visitors hostage in fright.
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