Yu Yang is a highly respected retired principal. He has a deep affection for traditional Chinese culture and places an emphasis on family values. His eldest son Jack Wu graduated with a journalism degree and works as a magazine editor. Jack likes to get to the bottom of things and sometimes has different opinions than his father on certain social issues. Yu Yang and his daughter Zoie Tam, being 40 years apart, have a major generation gap. Yu Yang finds it difficult to adjust to the rapidly changing technology era. Fortunately, his daughter-in-law Elaine Yiu is a good mother and wife, and keeps the household in perfect order. But as her son grows older, the family is faced with decisions about his education, which brings out the nerves of everyone. The series explores a number of critical issues for Hong Kongers, including education, housing, an aging population, declining competitiveness of youth, Mainland relations, and the immigration trend.

《我们的天空》共分为12个剧集单元，讲述12个不同的主题，反映香港近期面对的社会问题，包括教育、房屋、网络文化等。 　　剧集故事围绕高家五口的日常生活，讲述热爱中国传统文化的退休校长高八斗（于洋饰），注重家庭伦理，深受各人尊重，但也有点“老学究”气质。其大儿子高可攀（胡诺言饰）新闻系毕业，任职杂志编辑，喜欢事事寻根究底，在民生议题上，偶尔会与父亲立场不同，各执己见；不过高八斗与相差40岁的女儿高可人却有严重代沟，难以赶上网络时代的瞬息万变，幸好儿媳董爱晴（姚子羚饰）持家有道，办事井井有条，相夫教子从不失职。而小儿子日渐长大，面临升中选校问题突然挑动了各人的神经线，从中揭示了一连串当今香港人高度关注的社会问题，每集内容均贴近社会真实。高八斗、高可攀、董爱晴及高可人分别代表了老、中、青三代香港人，诉说各自的价值观。其中，已经演过不少妈妈角色的姚子羚，此次出演...