Lily Bridge, a new journalist in search of an exciting scoop, enters Arkham City. However, with the strange occurrences enveloping the city, only scandalous secrets seem to rise to the surface, such as the mysterious weapon known as Demonbane. Upon discovering a piece of technology that may be associated with the Hadou Combine, Lily is determined to uncover the truth behind reality. Little does she know, she's embarking on a dangerous adventure into a world cloaked in darkness and navigating deeper into the intricate network spun by Demonbane and the all-powerful beings governing the city.