Selin and Onur move into a new house with their young daughter Merve. At first, everything seems normal, but after a while, they begin to notice some strange things in the house and with their daughter Merve. Merve has unexplained bruises on her body. Worried and suspicious of the nannies, the couple decide to install security cameras in the house to monitor what is happening. But they are unaware that the real danger is not coming from outside, but from within. When Onur goes on a business trip, the mother and daughter are left alone at home, facing tense days ahead.