Grandmother's birthday is coming, and the Donghai and Liu Mei found that the gift they bought was broken.
姥姥生日快到了,东海、刘梅夫妻发现自己买的礼物被摔坏了。做贼心虚的刘星、夏雪急忙向弟弟夏雨求助,让小雨作替罪羊。为不使同学鼠标遭他父亲暴打,刘星替鼠标打碎玻璃的事顶缸,因此鼠标上门致谢。夏东海听后十分感动,决心重赏代人受过的"英雄",小雨在一边不服气,说出他为刘星、夏雪受过的事情,也该得到奖励。东海和刘梅听后大吃了一惊。