Czech TV series or program

A story of Eliska and her daughter, starting a new life in a remote house with the 'father away on business', as the mother claims. After the lie is disclosed, their relationship begins to wither. At that time, the mythical Noonday Witch begins to materialize. She is coming closer and closer and the question is poised: is the danger real or is it all in the mother's crumbling head?