

A supernatural system allows people to take revenge by having other people sent to Hell via the services of a mysterious entity and her assistants who implement this system. Revenge, injustice, hatred, and the nature of human emotions are common themes throughout the series.
In the United States

Availability data byJustWatch, opens in a new tab
All options, opens in a new tabEpisodes
Ran for 4 seasons and 90 episodes (2005 to 2017)
Season 4, 12 episodes