Set in the 1860s, Silk weaves a tale of Hervé Joncour, a French silkworm merchant, as he travels to Japan—a country closed to foreigners—to acquire silkworm eggs amidst an epidemic threatening France's silk trade. The journey is not only a commercial venture but also a personal odyssey, leading to an illicit and silent affair with a concubine who has "eyes that are not Oriental."

As Joncour makes his clandestine deals with a local baron, the passion between him and the concubine unfolds through subtle, clandestine messages across his visits. Alessandro Baricco's narrative, as smooth and lustrous as the silk in question, spins a story of love that is both enigmatic and intense, highlighting the complexities of connection and desire.