With his alimony spent on his younger wife Gloria, Vince’s former wife Ellen moves back in with son Mark. While a diner waitress dates Mark and takes advantage of Vince, Ellen hopes getting over Vince by dating his lawyer Jerry.

某日，坐公交车，一站上来一位老太太，老太太掏出月票卡一刷，刷卡机器随即传出“学生票”的声音，司机看了看老太太说：“大妈，你怎么用学生票啊？”老太太很认真的说：“我的孙女是我从小带大的，用下她的月票都不能？”公交司机当即无语，一车人爆笑……