"The Miller" is a Russian crime drama series that tells the story of a former major named Arkady Melnik. He suffered a serious injury and now spends his last days before retirement in the convoy troops, managing an outbound patrol. During one of his shifts, Arkady transports a group of dangerous criminals in a specially designated train car. During a stop, Arkady needs to step away briefly. In that time, the prisoners manage to escape. It is clear that someone helped them.