Debt collectors come knocking, and the Zhao family's ancestral home is on the verge of being lost. Zhao Tianyou unexpectedly discovers a clue among old belongings and learns that his grandfather, who disappeared many years ago, once established himself in Hong Kong City. To save the ancestral home and uncover the truth, he travels alone to a distant place to search for his grandfather, only to encounter one scam and mystery after another. His grandfather has long since passed away, so where have the family letters and remittances that continued uninterrupted for decades been coming from? As the truth gradually emerges, a long-hidden story of kindness, steadfast devotion, and lies is peeled back layer by layer. Centered on family bonds, goodwill, and responsibility, the series resolves misunderstandings from the past and exposes the good and evil of human nature. It tells the moving story of ancestors who spent their entire lives protecting their families and repaying kindness, with a winding plot full of warmth.