When Sarah finds herself sealed inside her family's secluded lake house with no contact to the outside world, panic soon turns to terror as events become increasingly ominous.

Anger rages in Philip as he awaits the publication of his second novel. He feels pushed out of his adopted home city by the constant crowds and noise, a deteriorating relationship with his photographer girlfriend Ashley, and his own indifference to promoting the novel. When Philip's idol Ike Zimmerman offers his isolated summer home as a refuge, he finally gets the peace and quiet to focus on his favorite subject: himself.

A matriarch asks her adult sons to visit their gorgeous Lake Tahoe home for a final weekend before she sells it, but it quickly becomes a comical disaster.