The Seller of Sins follows Karolina and Filip, a married couple without children who are struggling with frustration and conflict in their relationship. Feeling increasingly lonely, Karolina turns to the Internet for connection and forms a close friendship with a man from Turkey named Omer.
Meanwhile, Filip, unsure whether his wife’s online ties are innocent or something more, begins his own emotional journey that profoundly changes him. Along the way he meets Blanka, a mysterious and obsessive woman whose influence further challenges his ideas about love, loyalty, and life.
