Lieutenant Park Chanyeol looks through the window. It's raining cats and dogs. In this city rain comes to wash blood stains on road. It was night. Rain fell; and falling. It was rain,but having fallen,it was blood. Blood of Baekhyun...... Lieutenant Park Chanyeol is another suspect of his spouse Byun Baekhyun's kidnapping and murder of Baekhyun. Was it murder or murders?.... Why the rain seems like bleeding from sky? A rainy day is a perfect day for washing blood stains on roads by nature.