In the middle of a family camping trip, Greg (father) and Samantha (daughter) are kidnapped by a group of people who worship demons. The Circle is the name of this group. Everyone in the cult doesn't know that there's a person who has broken into the group. A former member of the group named Grady is getting in touch with her. To do this, Grady wants a small group of rescuers to go inside The Circle with him. Is it going to be enough time to save Greg and Samantha?