冬天,在某个四合院孤孤单单生活的老太(金雅琴)迎来一个来北京求学的外地女孩(宫哲)。女孩想租老太离学校很近的房子,但嫌老太要价太高,老太一脸爱住不住的表情坚决不降价,女孩无奈租了下来,两人开始磕磕绊绊争吵不休的主客生活。无论是安装电话、缴纳电话费,还是点电炉、借用电冰箱,女孩都觉得老太在处处算计她,心里十分委屈,老太看她,也是一百个不顺眼。 但日久生情,两人渐渐成了彼此的依靠。日子溜过春天、夏天,老太眼见女孩生活尤其恋爱中的喜怒哀乐,她晚年的孤独因为有女孩的陪伴冲淡了不少。秋天来临,女孩找到更好的住处,要离开老太,老太的精神一下子垮了下来。One snowy day, a girl looking for a place to stay jumps into the private residence of an old woman. First they both dislike one another, though as they spend more time together their friendship grow. However, one day the girl must leave the house of the old woman.