A young Bulgarian inspector Georgiev is in Warsaw to lead an operation to defraud and capture a Dutch-based gang leader involved in currency crimes. To accomplish this task, he needs to use Jeanne as a "decoy duck". She's Bulgarian, married to a gang member.

In this picture, the barrier epitomizes the line between reality and dreams, the pattern of harmony and happiness. The delicate, pretty, sensitive Dorotea and the sedate middle-aged composer Antoni meet by chance. He gives her shelter in his house. Famous composer falls under the spell of young Dorothea: A pretty, thin-skinned, though quite an eccentric girl.