Nilou, Malick and Adanne are best friends and seem to share everything, yet they have more faith in their smartphone - the carrier of all their personal information - than in their friendship. When they discover that their phones have been hacked, nothing seems certain. They want to do everything they can to keep their secrets from being publicized, but with a hacker lurking, sending them challenging assignments in exchange for their privacy, the three friends are confronted with their darkest fears and secrets.