The TV series "Intervention" is a Russian adventure drama about the fate of a young girl named Maria. She grew up in a troubled family and is now forced to take care of her elderly grandmother and younger brother on her own. Maria has a boyfriend, but he does not provide her with the care, love, and warmth she desperately needs right now. A happy marriage is only a dream for the heroine. One beautiful day, her already difficult life is turned upside down even more. Maria learns that she has a serious illness. However, at the same time as this news, she also meets someone who is capable of supporting her.