One night every year the world sees an alarming surge in violent home invasions. This is no coincidence.

讲述野生动物学家Adam Thorn和专业动物驯养师Rob Alleva针对自然界动物、昆虫噬咬的实验故事，意在创建一个完整而全面的疼痛指数，同时帮助应对被咬后的急救处理。

　　Middle-aged Max and Sara meet and fall for each other in Palm Springs, but their love story is cut short due to a sudden zombie outbreak. Max is not