In Manhattan, New York, a mysterious "broker" is causing chaos by stealthily injecting innocent bystanders with a dangerous drug that turns them violent and reckless! Harvey—the boss of her own mafia group—along with her associates, Bratt and MacResia, set out to capture the criminal! Armed with Psychic powers, and Bratt's curious "Black Milk" drink, can the trio successfully bring this person, or the organization behind it all, to rightful justice..? (Source: MU)