A lead-in story to Disney Frozen 2 . Elsa and Anna embark on an adventure of mystery and surprise searching for clues to uncover a lost message from their mother. During a tribute to the late beloved King Agnarr and Queen Iduna of Arendelle, Elsa and Anna stumble upon some old boxes of their parents' belongings. What they find inside sparks some of their youngest childhood memories--it's a scavenger hunt created by their mother. Offering the sisters the chance to create a new experience with their mother, they enthusiastically begin the game. But to decipher the clues to the treasure, Elsa and Anna must look deep into their past to a time lost, but never forgotten. Joe Caramagna ( Frozen: The Hero Within , Zootopia ) returns to the world of Frozen for a story intertwining past, present, and future in this lead-up to Disney's highly anticipated sequel, Frozen 2 ! Collects Disney Frozen: True Treasure issues #1-#4.