The story of investigator Sasha Gursk. At home, she finds it more difficult than at work: conflicts between her husband and 15-year-old daughter Lisa are becoming more common. Sasha between them – as between two lights.

After another scandal with her stepfather, Lisa runs away from home to find her father. Trying to arrange her daughter's happiness, Sasha makes many mistakes and almost loses her husband, which is actually the key to happiness for the whole family.