Russian soldier set to Chernarus as part of stabilisation mission after the outbreak. After few days situation went down. He was captured by local bandits and held as prisoner at castle with two of his friends from his unit. As soon there was a chance Boris and his friends made escape attempt, unfortunately one of then was shot dead and not soon after other Boris's friend was bitten and he was forced to put him out of his missery. So now Boris is alone, stranded on hostile land trying to survive and make contact with any Russian military HQ that is still operational.