After a long absence, Igor Balagura returns to his hometown. After learning about the suicide of his friend Stas Olenich, a promising scientist and talented tennis player, the hero begins his own investigation...
| Actor | Role |
|---|---|
 Viktor SaraikinNot listed | Not listed |
 Elena GabetsNot listed | Not listed |
 Mykola HrynkoNot listed | Not listed |
 Vsevolod GavrilovNot listed | Not listed |
 Serhiy PidhornyiNot listed | Not listed |
 Oleksandr ZadniprovskyiNot listed | Not listed |
 Lyudmila IvanovaNot listed | Not listed |
 Nikolai DosenkoNot listed | Not listed |
 Yevhen PapernyiNot listed | Not listed |