[4] Detective Josef from the Ostrava homicide department used illegal procedures to catch a brutal murderer.

This allows him to discovers a case of eighteen-year-old Eva who was strangled twenty years ago in her apartment.

In addition to the actors and crew members, firefighters, rescuers, stuntmen and special effects experts also took part in making of the scene.

[8][9] Vedlejší produkt was well received by audiences after broadcast of the first episode with many praising Hofmann's and Maštalír's performances.

[13] First episode was viewed by more than 1 million viewers beating competition that included miniseries Iveta.