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.。该剧以20世纪30年代鱼龙混杂的上海滩为背景,讲述了人称“四大金刚”的四个异姓兄弟因信仰不同逐渐反目成仇,最后在情与义、国与家、正义与邪恶的较量中展开殊死搏杀的故事。。