In Texas, a family finds a venomous snake in the toilet. Meanwhile, in Florida, a mystery predator targets a family's livestock, and a single mom finds that her new California apartment has a horrifying secret.

In Texas, a beautiful but deadly predator is targeting a family's beloved pets. In Kansas City, a single mother is hit by a series of horrifying animal invasions. And in Florida family's dream home hides a deadly threat within the structure itself.

In Detroit, a filthy neighbor turns a dream apartment into a nightmare. A young woman is terrified by a bear in her Colorado home. And in California, a single mother battles to protect her special needs son from an infestation of venomous snakes.

A family in Arkansas move into a house already home to a deadly infestation of spiders. In Florida, a dream home is surrounded by venomous snakes fleeing drought. And in California, coyotes terrorize a couple and their trio of dachshunds.

In Colorado, a black bear breaks into a cabin while the owner sleeps upstairs. A young couple in Louisiana is trapped in their trailer by a swarm of bees. And a family battles a plague of cannibal crickets when their town in Oregon is overrun.

A young couple in Boston are kept awake at night by mysterious noises coming from the ceiling. An idyllic family home becomes a nightmare when it is surrounded by tent caterpillars. And a family unites to protect their home from territorial grizzly bears.