In IT COMES AT NIGHT, a mysterious, deadly disease has ravaged the land. Former teacher Paul (Joel Edgerton) has set up a fortress in the woods, complete with a stock of food and water, where he lives with his wife, Sarah (Carmen Ejogo), and teen son, Travis (Kelvin Harrison Jr.). Unfortunately, they’ve just had to shoot and burn Travis’s grandfather, who was sick with the disease. One night, a strange man, Will (Christopher Abbott), breaks into the house. He’s not sick but simply looking for food for his family, so Paul decides to let him, his wife (Riley Keough), and their young son stay. But something goes wrong. The family dog Stanley runs off into the woods, and then the little boy starts acting weirdly. Will Paul’s stronghold withstand whatever’s coming next?