The young and precocious Alexia has spent two years battling for survival on the streets of New York City. Dabbling in everything from drugs to prostitution, she is a lost soul wandering the urban wilderness. The only thing that can save her is to know someone cares. Anyone at all. Her fortunes seem to take a turn for the better when she meets the charming YiYi Cash, but the opportunity of a lifetime comes with a hefty price tag.Ever since Ming was recruited by an underground organization that caters to the wealthy, her sister YiYi hasn't heard a word from her. The authorities have no interest in another missing hooker, so it is up to YiYi to find her. A savant with a gift for puzzles, YiYi is suddenly plagued by strange visions that put her skills and sanity to the ultimate test. In a scheme to rescue her sister, she takes advantage of the desperate and trusting Alexia, leading them both into a dark web of secrets more frightening than either could have imagined.