Due to work commitments, the brother-in-law has to stay with his younger brother and his wife for a while. Realizing that his younger brother's wife has grown into a beautiful woman and is frustrated, the brother-in-law, drunk as he is, makes advances on her. The brother-in-law's desire is not quelled even though he is interrupted by the presence of her husband, and he again attacks her as they go to sleep. Although he is unable to penetrate her due to her desperate pleas, the brother-in-law's presence completely sets her body ablaze. After being caught masturbating in the living room by the brother-in-law, the younger brother's wife is unable to resist his onslaught and becomes immersed in an inappropriate relationship.