The story is set in old Shanghai, a city where opportunities and sins coexist, and is undoubtedly a vivid microcosm of that era. Beneath the superficial prosperity of Shili Foreign Market, social turmoil and injustice are hidden. The rise and fall of the Lin family, the ups and downs of the characters' fortunes, are all closely related to the tide of the times. The author uses this emotional catastrophe full of twists and turns to express his lament about the impermanence of fate, showing the struggle and choices of human nature in difficult situations, and the vulnerability of love in the face of cruel reality. It shows that individuals in the torrent of the times, although as small as dust, still strive to stick to their inner desires and dignity, triggering readers' in-depth thinking about life, love and society.