Meeting face to face for the first time, four co-workers assemble at a house to work on a new gaming app. The app is an online version of truth or dare. A mysterious entity possesses them one by one, and pits them against each other in a game of truth or dare. It forces them to tell the truth and reveal the secrets they have kept from each other. As they piece together their histories, they realize that their pasts have provoked a vengeful force to show them the errors in their ways and the only way they can survive is together.