The story is based on the 18th-century adventures of Ivan Samoilov, sergeant in a Dragoon regiment, who meets Navy officer Plahov. Together they travel to America and rescue their friends from a prison.

The story is based on the 18th-century adventures of Ivan Samoilov, a sergeant in a Dragoon Regiment, who by chance is forced to serve in a secret service of Russia. Later he meets Navi officer Plahov. Together they investigate mysterious incidents, travel to America, meet a pirates and Ineti and rescue their friends from a prison.—zoroman2008