嘉嘉(张艾嘉 饰)同丈夫结婚二十余年,一直安安分分在家中相夫教子,和丈夫之间的感情一直十分要好,婚姻和家庭是她生活中最重要的东西,亦是她围绕着转圈的主心轴。让嘉嘉没有想到的是,偶然中,她得知丈夫竟然有了婚外情,伤心和绝望之中,她选择了暂时离开,来到了妹妹莎莎(叶倩文 饰)家暂住。
姐姐的婚姻陷入了危机之中,莎莎的感情生活亦并不如意。她的男友是有妇之夫,两人注定不可能走到一起。某日,一个年轻热情的男孩出现在了莎莎的身边,让莎莎重新体会到了爱情的甜蜜和悸动,然而,在巨大的年龄差距面前,莎莎陷入了犹豫之中。。NOVA: Mysteries of Sleep Like virtually every other animal, humans need sleep to survive. But why? What do we gain from spending nearly a third of our lives in such a defenseless state? And what's at stake if we sleep poorly? The functions of sleep have long been something of a mystery. But now scientists are peering deep into the brain to see what happens while we snooze. One ...。