At an anti-prom party, a group of teenagers stumble across a mysterious cabin deep in the woods, and awaken an evil creature that lives in the shadows.
A meeting in a London bus with jewel thief Lady Christina takes a turn for the worst for the Doctor when the bus takes a detour to a desert-like planet, where the deadly Swarm awaits.
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。
