Everything around Mrs. Yan looks perfect, but her mind is as confused and complex as the variety of medications she is taking. To reach peace of body and mind, she tries many methods including qi training, but to no avail. One day she gets a message that the woman who had an affair with her husband is in a nursing home and suffering from dementia.

独居在高雄家中的玲子正面临更年期，女儿在外地求学鲜少返家，丈夫长期在中国大陆经商。她独力照顾住院的婆婆时，同病房新住进一名眼部受创的男子，勾起她寂寞内心的怜悯。突然遭逢失业的玲子开始偷偷照顾男子，藉以填补自己的空虚，受困的人生是否能找到出口？ 《蓝色大门》资深摄影师钱翔以诗意影像，在首部电影长片中投射出人生的迴光。