In2008,duringthelastmonthofsummerbeforehighschoolbegins,animpressionable13-year-oldTaiwaneseAmericanboylearnswhathisfamilycan’tteachhim:howtoskate,howtoflirt,andhowtoloveyourmom.

聚焦导演王湘圣83岁的外婆跟94岁的奶奶，性格迥异、热爱生活的两个老人一起过着普通而快乐的日子。