No good deed goes unpunished [Russian]

Karen never planned on being a hero. A recent widow, she has her hands full with work and parenting her son Max. Then Karen saves Jeremy's life during a drug store robbery, and quickly discovers that the young man is intent on paying her back at any cost. At first, life starts improving for this good Samaritan, but as Jeremy's efforts become more extreme, Karen starts to wonder if no good deed truly goes unpunished.