A diamond smuggling operation goes wrong when an ordinary Soviet citizen becomes unwittingly involved, and the criminals are forced to court him to retrieve their diamonds.

The film consists of three independent parts: “Workmate”, “Déjà vu” and “Operation Y”. The plot follows the adventures of Shurik (alternative spelling — Shourick), the naive and nerdy Soviet student…

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.