Three boys live in the same house and go to the same school in Kiev. After one of the boys gets in trouble, their friendship is put to a serious test for the first time in their lives.

• Dovzhenko Film Studios
• Nikolai Chursin
• Lidiya Sukharevskaya
• Nikolay Dupak
• Valentin Grudinin
• Aleksandr Khvylya
• Mikhail Belousov
• Nonna Koperzhynska
• Vladimir Olekseenko