The plot of the film is a few days in the summer of 2021, which presents the customs and culture: language, music, dance, poetry, drama, cooking, the usual and festive life of the Nazovite Greeks of Maloyanysol, Nikolske, Sartana, Yalta in the Donetsk region of Ukraine.

All the characters in the film are ethnic Greeks who speak three (out of five) dialects of their native Rumeika language.

As Vasilevun Rumei! The Greeks of Nadazovia is the first and only film made in the Rumei language, which, along with Uruma, is officially recognized as an endangered language.