A seemingly perfect marriage disintegrates, as both husband and wife become involved in a series of affairs.

When bachelor Walter Davis is set up with his sister-in-law's pretty cousin, Nadia Gates, a seemingly average blind date turns into a chaotic night on the town. Walter's brother, Ted, tells him not to let Nadia drink alcohol, but he dismisses the warning and her behaviour gets increasingly wild. Walter and Nadia's numerous incidents are made even worse as her former lover David relentlessly follows them around town.

Todd Dougherty has an imagination driven by comic books. So when he accuses his soon-to-be stepmother of being a monster, no one believes him. When neighbors start turning up dead, it becomes a race against time for Todd to stop this hideous, carnivorous creature from marrying his dad and ruining his life.