What is it like to live with a piece of your heart missing? To walk the Earth with no purpose? How are you supposed to move on and live your life? These questions have haunted Rainbow Dash ever since the worst night of her life. When the pony she cares most about is taken away from her in an unforgettable tragedy, she becomes...broken. That is...until she meets a tiny pegasus that will change her world, and her outlook on life...forever.