Contacts with the criminal world, the vouching for a neo-Nazi, the seizure of an aged man's flat or the unexplained usage of an flat at taxpayers' expense - these are just any of the many secrets hidden in Karol Nawrocki's past. Arkadiusz Wierzuk shows in his reportage "Black on white" that the Law and Justice candidate for president has not convincingly explained any of these matters. What importance could this have for Poland, should he win the elections?