In Victorian London, a gang of troubled street teens are manipulated into solving crimes for the sinister Doctor Watson and his mysterious business partner, the elusive Sherlock Holmes. As the crimes take on a horrifying supernatural edge and a dark power emerges, it’ll be up to the Irregulars to come together to save not only London but the entire world.

Three years after a widespread radiation leak, Rose is frustrated and determined to convince her controlling boyfriend, Parker, that she is ready to take the gas mask and go outside.