Donna Mills (born December 11, 1942) is an American actress, most well known for her role as Abby Fairgate Cunningham Ewing Sumner on the primetime soap opera Knots Landing.
After discovering they are all dating the same same guy, three popular students from different cliques band together for revenge, so they enlist the help of a new gal in town and conspire to break the jerk's heart, while destroying his reputation.
