Growing up in dysfunctional households, three individuals who are unrelated by blood treat each other like family as they yearn for the love that they cannot find at home. Eldest brother Ling Xiao, second brother He Ziqiu, and youngest sister Li Jianjian grow up together, experiencing life’s joy and strife as they support each other’s chosen paths. As Ling Xiao and He Ziqiu graduate from high school, they return to their original families. Five years later, the three are reunited, but the heartaches from their complicated family past becomes a shadow that constantly lingers. Can they finally fix their personal issues to become better versions of themselves?

三个没有血缘关系、在原生家庭遭遇过不同伤痛的孩子，机缘巧合下凑在一起成为了兄妹。大哥凌霄、二哥贺子秋、妹妹李尖尖在两个爸爸的抚养下相互扶持、共同成长。高中毕业后，两个哥哥回到了自己的原生家庭，一边是彼此认定相互珍惜的新家人，一边是无法选择但关系淡漠的亲生父母，他们在两个家庭中迷茫徘徊。五年后，哥哥们回到了新家人身边，三人终于团聚，但由于原生家庭造成的心理问题仍如影随形。面对生活中的各种困难，三个人选择齐心协力，在经历了一番磨难后，他们终于勇敢地走出了过去阴影，让父母直面了自己的问题，也让彼此成为了更好的自己

三名家中處境艱難的朋友建立與眾不同的長久情誼，然而各自的過去很快就令他們的生活蒙上一層陰影。