‘‘嘭’’小凯和他的妈妈走了
　　‘‘千玺千彤，快去睡觉吧，都十点了。晚安。’’
　　‘‘好的。晚安妈妈。’’
　　场景转换【房间里】：
　　‘‘哥哥，晚安。’’
　　‘‘妹妹，晚安。’’
　　··························································凌晨三点·····················································