In a futuristic world where humans and vampires have an uneasy truce, a superhuman priest named Abel Nightroad battles to maintain peace between the two species. Each plot in the anime series Trinity Blood follows a simple pattern, introducing the problem in the first episode, developing the main storyline in episodes two and three, and resolving everything by the fourth episode before moving to the next plot. The language used is extravagant and includes old English words and some Greek, reflecting the late 15th century setting in Greece.