Shurik, a kind but naïve ethnography student, falls in love with the intelligent, athletic and beautiful All-Union Leninist Young Communist League member Nina. He has a rival in the wealthy comrade Saakhov, who concocts a kidnapping scheme to force Nina to marry him.
A scientist builds a time machine and accidentally sends his apartment complex manager and a petty burglar to 16th century Moscow, while Tsar Ivan the Terrible travels to 1973.
