A sudden flood causes young Xiao Man and mother Shen Xiulan to lose contact, and also makes a rescued child, Lu Jingnian, remember a debt of gratitude for eighteen years. Years later, Xiao Man carries the memories left by the blue cloth bib to search for her own background, and Lu Jingnian also embarks on a journey to find his benefactor. Fate makes them meet again, and amidst a blue cloth bib, a segment of old memories, and countless warm protections, the story from eighteen years ago is uncovered. Family affection, gratitude, and protection span across the years, reconnecting two families and giving love its most beautiful destination.