Jānis Laimonis Matīss

Children of Varnu Street whose fathers work in nearby factories face the "Tuliana Empire" - a group of boys, children of merchants from the nearby Lauku Street.

In the experimental clinic, a batch of valuable drug was stolen. Major Grigast suspects that someone from the clinic is involved in this. He entrusts this complex matter to a young investigator Mara. An investigation leads her to a distant border town in the south of the country, where the offender intended to ship the drug abroad.

Land surveyors arrive in two parishes to measure and redistribute manor land. The rivalry between both feoffees for land and woman begins.