Based on the German novel Snow White Must Die [de] by Nele Neuhaus, it depicts a series of incidents that occur in a closed-off village and the ugly nature of the hidden inner self of humans.

Black Out was first premiered in the Rendez-Vous section of the 2024 Canneseries, where it received attention for its dense story, excellent directing, and solid acting skills.

Black Out was developed under the working title Snow White Must Die, which is based on the German novel of the same name [de] by Nele Neuhaus.

[12][13] It was reported that writer Seo Joo-yeon and director Lee Kyu-man would team up and that the series would be organized as a Wavve original.

[23] It also received attention from potential viewers around the world for its dense story, excellent directing, and solid acting skills.