Shortly after comic artist Adam responds to Internet trolls, he begins experiencing sleep paralysis. As he chronicles increasingly malevolent occurrences in a series of tweets, Adam begins to believe he is being haunted by the ghost of a dead child named David.

Tech tycoon, Clay Amani, retreats to an off the grid location in search of meaning and peace, with disconnected siblings and their offspring, only to be caught in a bone-chilling killing spree within his new estate.

Becca and Robby are a married couple having a hard time connecting with each other as the holidays approach. Just before Christmas, they head to a cozy Vermont inn at the advice of their marriage coach so they can recharge. Their weekend away gets unexpectedly extended when a mishap puts their car out of commission and just may put them on the road to a very happily married Christmas.

Alice's small town routine is upended when writer Ronnie sweeps into her life. But with this new friend comes a series of inexplicable events that soon plunges Alice and her entire town into danger.

As a last-ditch attempt to save his failing marriage, an actor stages a home invasion during a romantic getaway weekend.

After her life in New York unexpectedly falls apart, powerhouse stockbroker Sam Wallace returns to her small town for the holidays and reconnects with her high school sweetheart who helps reignite her humanitarian spirit just in time to help their community on Christmas.

When Grace's former classmate (and crush) Ryan arrives home for Christmas, Grace's best friend initiates "Operation Mistletoe" to get them together.