An earth pony mare with a mysterious dark power is bent on ridding the world of all joy and happiness and then cover it in total sadness and sorrow. But in order to do so, she needs to find and seek out the Element of Laughter... Pinkie Pie!
What are the reasons behind this mare's ruthless actions; and can one little filly be able to change the darkness in her heart?

(This original story was inspired from an episode of the cartoon "Courage: the Cowardly Dog" called 'The Tower of Zalost'.)

(WARNING): Prologue is a bit depressing; not for the faint of heart