A Tree of Palme is an interpretation of the Pinocchio tale. It concerns a small puppet, Palme, who was tasked by his creator to look over his ailing wife, Xian. After her passing, Palme is visited by a mysterious woman who he mistakenly believes to be Xian. Shaken out of his sadness, Palme accepts her request to deliver something special to a far-off place known as Tama. This sets Palme off on a journey to discover his own emotions, and what it truly means to be human.

A group of mysterious white-haired children has been spotted at different times and places in Europe for over 500 years. Always with the looks of 11 years old, they behave way more mature than they should be, never grow, and seem to have supernatural power. What they have kept being after is a girl, and all the connection they have is a picture with a crescent moon. Now, in the year of 2012, an athletic boy named Tohma is about to be involved in this centuries-long mystery.