Yinxing, forced by her natal family into a marriage she didn't want, is rescued and married by the border soldier Xiao Qingbei. With a pair of young daughters of her own and taking in two orphans of loyal martyrs, she establishes her own household amidst sister-in-law troubles and pursuing enemies, making a living by selling apricot preserves to support the family and protect the kids. Through rural conflicts and court ripples, she holds her small family together with resilience, finally safeguarding peaceful years as the four kids grow up towards the sun.