Detective Hugo Napier investigates a string of mysterious murders at a 1930's mansion that involved major mutilations and religious sacrifices. The plot of the show "Abaddon" is set in this time period and location. It has a gritty and hardcore style using long shots and handheld camerawork. The show is a mix of supernatural, horror, violence and complex characters similar to Supernatural and Luther. The target audience is 20-year olds due to the horror and violence elements.