The main character of the film is an outstanding physicist who was invited to Armenia from Russia to head a lab. He comes across many troubles in his homeland, but nevertheless finds his true love there.

Efim Kopelyan
ակադեմիկոս Գրիգոր Վանունց
Paruyr Santrosyan
Արշակունի

Stepan Harutyunyan
Գագիկ