It is the story of the incredible adventures of Chourka Kalashnikov, a 13-year-old boy living in an orphanage, and the shepherd dog Spartacus. The two friends roam together, and their friendship is more than once put to the test. Fate sometimes leads them to "new Russians", sometimes to street kids, sometimes to an army dog farm. Eventually Spartacus helps neutralize a group of terrorists and the two friends become heroes.