 She and Rex visit his house in the secret hour and discover people there are using dominoes with lore symbols on them to communicate with the darklings at midnight, with the help of a 'halfling' -Anathea- a girl who has been merged with a darkling.Melissa discovers that the halfling is sick, and that the darklings will soon try to take Rex, another Seer, to replace her.They steal some of the dominoes so that the darklings will not be able to communicate about the Midnighters to their human allies.