Psychological suspense thriller... The Housemaid watches as Nina, the lady of the house, makes a mess just to watch her clean it up. As she tells lies about her own daughter. And as her husband seems more broken every day. The housemaid tries hard not to imagine what it would be like to live Nina's life. Then the housemaid realizes her tiny attic bedroom door only locks from the outside, and it's too late... Or is it?