"In the week before Guy Fawkes Night, London's peaceful streets break out in sudden unrest. Enraged by a scandal involving a corrupt financier accused of insider trading, demonstrators are rioting outside the Findersbury Private Bank, chanting, marching, and growing violent. But when someone hurls a Molotov cocktail at the bank's front door, killing a homeless man on its steps, Bryant, May, and the rest of the Peculiar Crimes Unit is called in. Is...