Dasha gets a job as a housekeeper to a successful restaurant owner Lydia. The girl quickly gains the trust of the powerful businesswoman, but her appearance in the house has its own reasons. In fact, Dasha is Lydia's own sister, about whom she knew nothing, but the heroine is in no hurry to immediately reveal the whole truth. However, family secrets of the past begin to surface when Lydia disappears. It turns out that not only Dasha had a motive for revenge against Lydia. But despite everything, only she sincerely wants to find her sister.