Bogdan Velinsky, while getting ready to go to the restaurant, where Nikola Deyanov and Mitko Bombata are waiting a contact with the Army Resistance cell, orders his assistant, Kaishkov: 'Tell Fereshtanov to prepare himself!. Velinsky obviously refers to Petar Fereshtanov (1902-1944), famous Bulgarian Professional wrestler in the 1920's and 1930's, who enjoyed a highly successful sports career. After the start of WWII however, Fereshtanov started working in the Bulgarian Fascist Police as an instructor and as an interrogator, using his physical strength and skills for extracting confessions and information.