When a group of friends receives unexpected invitations to a dinner party, they see it as a chance to finally meet the bizarre and reclusive new neighbor whose home is enshrouded in layers of security. As the drinks are poured and dinner is served, the group begins to realize things are not what they seem. What starts out as an innocent night of fun soon becomes a seemingly calculated game filled with cryptic messages and chilling revelations.

Two astronomers have detected a strange, pulsing signal from deep space. Within hours, the US government goes into lockdown, restricting airspace and scrubbing scientific data. Was the signal an intercepted communication revealing alarming plans for an enemy’s military strike? Or has humanity at long last found proof of extraterrestrial life?

Perla Wultz lives with her husband, Grant, and their precious daughter, Sophie, in a gated Pasadena community. Affluent, sociable, and accomplished, Perla plays the part of loving wife and mother to perfection. It seems an ideal life, if not for a decades-old crime that has become Perla’s dark and consuming secret obsession. Twenty-three years ago, Leewood Folcrum confessed to murdering two young girls during a birthday party. Though he’s been condemned to a life sentence, his crime is not forgotten.

Tegan is eight months pregnant, alone, and desperately wants to put her crumbling life in the rearview mirror. So she hits the road, planning to stay with her brother until she can figure out her next move. But she doesn't realize she's heading straight into a blizzard. She never arrives at her destination. Stranded in rural Maine with a dead car and broken ankle, Tegan worries she's made a terrible mistake. Then a miracle occurs: she is rescued by a couple who offers her a room in their warm cabin until the snow clears. But something isn't right.

Blake Porter is riding high, until he's not. Fired abruptly from his job as a VP of marketing and unable to make the mortgage payments on the new brownstone he shares with his fiancée, he's desperate to make ends meet. Enter Whitney. Beautiful, charming, down-to-earth, and looking for a room to rent. She's exactly what Blake's looking for. Or is she? Because something isn't quite right. The neighbors start treating Blake differently. The smell of decay permeates his home, no matter how hard he scrubs. Strange noises jar him awake in the middle of the night.