The protagonists of the film meet at the Republican Agricultural Exhibition of Advanced Practices in Kyiv. Among them is Pavel Zarechny, a talented plant breeder, passionately devoted to his work, and Timofey Khizhnyak, the director of a scientific testing station, for whom personal gain is the ultimate goal in life. Also present are Dasha, Zarechny’s lab assistant, who becomes his love, and Dyachenko, a fellow scientist whose envy of Pavel’s success leads him to forget about decency and honor...
| Actor | Role |
|---|---|
 Laimonas NoreikaNot listed | Not listed |
 Nataliia NaumNot listed | Not listed |
 Ada RohovtsevaNot listed | Not listed |
 Galina DolgozvyagaNot listed | Not listed |
 Nikolai KozlenkoNot listed | Not listed |
 Nina ReusTanya | Tanya |
 Kostiantyn Stepankov Jr.Not listed | Not listed |
 Danylo IlchenkoNot listed | Not listed |
 Viktor MiroshnichenkoNot listed | Not listed |
 Galina NekhaevskayaNot listed | Not listed |
 Anatoliy SokolovskiyNot listed | Not listed |
| VVasily BogostaNot listed | Not listed |
 Mykola OliinykNot listed | Not listed |
 Yelizaveta SlutskaNot listed | Not listed |