[1] The series unravels the story of ninth-grade student Martin Biederman, who becomes a victim of cyberbullying.

Martin is killed in a car accident at the beginning of the series, and his father, Petr Biederman, finds out from his Facebook profile that he was blackmailed by someone posing as a girl named Eliška Svobodová.

"Eliška" convinced Martin to send her a video of him masturbating, then used it to blackmail him, forcing him to carry out tasks such as killing his family dog by putting it in a freezer.

[4] In March 2021, it won the Czech Lion Award for the Extraordinary achievement in the field of audiovisual.

[7][citation needed] This Czech Republic television show-related article is a stub.