After his father's passing, the young Gu Jibai takes over a silk shop on the verge of closure, only to face the challenge of repaying three hundred taels of old debt within three days. Confronted by peer blockades, covert sabotage, and malicious skepticism, he chooses not to retreat. Instead, joining forces with veteran artisan Bai Shouzhuo and others, he revives ancestral dyeing techniques and finally dyes the precious "Clear Sky After Rain".