In the industrial hub of 19th-century London, the city harbours a dark underbelly. Cyrus, a foreigner with a deadly chip on his shoulder, must navigate the urban landscape to uncover secrets unknown to most and stop the wrong people from exploiting them. Through a series of unexpected events, he discovers that the road towards vigilante justice is not as straightforward as he’d initially thought, for there are creatures prowling in the night who reap the lives of innocents. They call them aberrants, and he is one of them.