Jiang Yan, who lived among the common people since childhood, is the long-lost child of the Shen family. Returning to his biological family after many years apart, he wholeheartedly cherishes family affection and desires a stable life. Shen Yuxuan, the adopted son of the Shen family, harbors inner anxiety, which breeds misunderstandings and barriers. Jiang Yan, skilled at observing details and thinking rationally, treats others with openness and firmly guards his original heart. Faced with one trouble after another, he calmly sorts out clues and restores the truth. Amidst this family entanglement, everyone comes to see their true nature clearly, facing family affection and responsibility head-on. Jiang Yan upholds justice, resolves conflicts with rationality, and completes his own self-growth.