简介：Joan Gallagher is a high school teacher who depends on the daily support, counsel, and friendship of her two best friends Ruby, a psychiatrist, and Betsy, a music teacher at the school. Although Ruby appears to be the picture of strength and stability, she allows herself to be taken advantage of by Betsy, who is locked into an on-again, off-again relationship with fellow teacher Mark. Joan also bonds with Alice Adams, who is a new student teacher at the high school. The series focuses on the private lives o……