According to Roman Polanski's autobiography, the film was a stunt which nearly got him thrown out of the Łódź film school; Polanski had organized a groups of "thugs" to go to a school dance and begin disrupting it.
Menurut otobiografi Roman Polański, film itu merupakan aksi yang hampir berhasil dia diusir dari sekolah film Łódź; Polański telah menyelenggarakan kelompok "Preman" untuk pergi ke pesta dansa sekolah dan mulai mengganggu itu.