The series centres around the investigations of Police Lieutenant Sławomir Borewicz. Each episode features a different case being solved by Borewicz.
Bronisław Cieślak
Sławomir Borewicz
Zdzisław Tobiasz
Major Wołczyk
Jerzy Rogalski
Waldemar Jaszczuk
Hanna Dunowska
Anna Sikora
