When vigilant Soviet customs officers find smuggled gold on a ship named Amur, they conduct an investigation to find the culprit and learn about a murder.
| Actor | Role |
|---|---|
 Mikhail BoyarskiyЮрий Хорунжев | Юрий Хорунжев |
 Valentin GaftВладимир Николаевич Никитин | Владимир Николаевич Никитин |
 Vadim YakovlevНиколай Дельков | Николай Дельков |
 Ivan KraskoКонников | Конников |