A mysterious young woman, Katie (Nicky Whelan), and her daughter move to a new town to escape her past and quickly befriends Angela Morgan (Gina Gershon), a mother of one who longs for a bigger family. As their lives become intricately entwined, Angela and her husband, Brian, (Nicolas Cage), invite Katie to live in their guest-house to serve as their nanny. Over time, the blossoming friendship between the two women spirals into a dangerous obsession as Katie becomes overly attached to the Morgans' daughter. Enduring lies and manipulations, Angela and Brian realize that sweet Katie is actually trying to destroy their family from within.

In this absurdist satire, an awkward OCD physics genius and a hot ex-Catholic sorority girl wake up after blacking out Halloween night to discover they missed the evacuation of Earth. A mysterious agent pursues the feuding couple as they figure out how to work together to solve the recently entangled multi-verse and ultimately try to save humanity from AI.