The film consists of three independent parts: "Workmate", "Déjà vu" and "Operation Y". The plot follows the adventures of Shurik, the naive and nerdy Soviet student who often gets into ludicrous situations but always finds a way out very neatly.

Atanes Ghambaryan, resident of Armenian border village, after the captivity during the World War II, turns up abroad in Turkey and dreams of returning to his homeland. During one of night patrols, border guard Armen who is in love with Ghambaryan's daughter Seda, recognizes him on the other side of the river Araks.

Dmitry Gorin is awaiting the post of branch manager of a savings bank. But one day he accidentally gives an extra amount to a person who works in the taiga on the construction of the Siberia-Ural power transmission line. To return the money, Dmitry has to go to the taiga. But he is not in a hurry to return to Moscow. The fact is that he discovers a completely different life, which he likes, and meets the girl he dreamed of

Everything would have gone on as usual in the island of Anchuria, if not for a small suitcase filled with hundreds of thousands of dollars that suddenly turned up at the local barber's, and the mysterious stranger who one day was washed ashore by the waves on the coast of Anchuria...