Based on the webtoon The Deluxe Taxi (Red Cage) by Carlos and Lee Jae-jin, the story is inspired by actual real life heinous crimes committed in Korea.

[7] It is also available for streaming on Wavve in South Korea, on Kocowa in the Americas, and on Netflix,[b] Viki and Viu in selected regions.

[12] Kim Do-gi is a KMA graduate who works as a taxi driver for a company which offers a "revenge-call" service to its clients who have been wronged and helps them to exact vengeance.

On December 4, 2019, SBS was considering adapting the webtoon The Deluxe Taxi by Carlos and Lee Jae-jin into a television series.

[58] On July 15, 2022, SBS reported that some of their staff tested positive for COVID-19, causing to temporarily halt the filming in Vietnam.

[66] Lee also participated at the FilMart in Hong Kong, where Viu reported that the second season of the series was the most-watched program following the premiere.