When Twilight Sparkle and her friends arrive in Hope Hollow, they find the town and all its residents completely devoid of color their dream vacation is starting to feel more like a nightmare. The Mane 6 will have to solve the mystery behind this washed-out world if they hope to bring the 'rainbow' back to the Rainbow Festival and color back to the lives of their new friends.

Amanda Tapping饰演一位157岁的Helen meijubar.net Magnus博士，英国维多利亚时代皇家学院第一批女博士之一，她曾和开膛手杰克订婚并有了一个女儿Ashley。不过Ashley不知道他的父亲是杰克。Magnus博士父亲创立了一家神秘生物的庇护所，这些生物从全世界搜集而来。在研究这些生物的过程中，Magnus博士发现她获得了长寿。