It's an ordinary day. A mother works hard at housework. However, due to renovations being made to the house, mother and son are staying with her aunt. This change of environment has altered the forbidden master-servant relationship with her son. She is forced to have a physical relationship with him, and she bravely endures her son's tyrannical behavior, which includes detailed inspection of her underwear every day. He even goes so far as to order her to serve an unrelated neighbor who comes to the house to make a neighborhood association announcement. Reluctantly, the mother obeys her son's orders. The tyrannical son watches this abnormal scene with a grin of satisfaction. However, the tyrannical son's foolish behavior gradually escalates...