As the Immortal Iron Fist, Danny Rand holds an ancient mantle of power passed down through generations. Now he faces his most difficult challenge yet: being a mentor and teacher to Pei, a monk from K'un-Lun and the youngest person to ever bear the mark of the Iron Fist! But while Pei tackles high school and training, Danny uncovers a demonic threat that will take more than one Iron Fist to defeat!