A older sister returns home after she is deserted by her husband. She does not want to decide things or face life's many choices and surrenders that power to her younger brother. He discovers her sexuality and needs for affection.
It's awfully hard being in the middle, my older brother was always taller and stronger than me, while my younger sister was always my parent's favourite and she had all the brains too
It was an odd foursome. A white brother and his kid sister formed one couple. The other pair were cousins, and black. The men had been Army buddies. The women were college friends. The sexual adventures that followed would leave them all content, well mixed, and maybe matched.