C2023 The scent of the vanishing roll ii

At this moment, the curtains of the room were not drawn and the window was ajar. The storm from last night was so heavy that if she did not close the window, the room would be filled with water.

From the open window, one could determine that she really did not come back last night. But, didn't she ask nanny to close the window for her? Or did she lock the door