Cucumbers and potatoes peeled and cut into cubes. Shrimp are blanched and peeled. In a large deep skillet over medium heat melt the butter, add leeks. Mix. Allow to stifle about 5 minutes until soft. Add potatoes and chicken broth. Allow to simmer 15 minutes until the potatoes are soft. Transfer to a large bowl to cool. When cool, cover and leave in the refrigerator. When the mixture is cold add cucumbers and blending, until the mixture becomes smooth. Cover with the lid and leave in the refrigerator. Separately, heat the butter, add the wine and shrimp in a pan to constipation for 1-2 minutes. Divide shrimp portions into bowls, sprinkle with black pepper and pour the soup.