The Night Zoo

A struggling security guard takes a night shift at a massive city zoo during a power outage. At midnight, the animals begin behaving unnaturally intelligent. Cages mysteriously open on their own, and shadowy creatures not listed in the zoo records appear roaming the grounds. The guard discovers secret experiments conducted beneath the zoo involving genetic manipulation and ancient DNA recovered from frozen creatures. Include thrilling nighttime chases, emotional survival elements, creepy animal behavior, hidden laboratories, and a desperate fight to survive until sunrise.