Teenager, Joan gets more than she bargained for when her workaholic dad buys her a cute pet monkey who grows wings, fangs, and an insatiable thirst for blood come nightfall. 　　十幾歲的瓊當她工作狂的爸爸給她買了一隻可愛的寵物猴子時她得到了比她預想的更多的東西這隻猴子長著翅膀、尖牙在夜幕降臨時她對血的渴求永不滿足