Before Sunset Shimmer went into the portal, what was her original life like? Let's see, shall we?

Twilight Sparkle finds a hidden book in her library with a strange symbol on the cover and no other title, once she reads a spell, she is transported to another world. There are unicorns everywhere, and everything seems to be perfect in this world.

Or so she thinks.

Once she discovers the enemies and their plan, she must go on a journey with 3 other unicorns to find the enemy's kingdom. Or war and chaos will develop

Trixie returns to Ponyville to revisit Twilight Sparkle, ever since she became the Princess of Friendship, she craved and longed for power. This time, Twilight was going to obey her commands then, all of Equestria.

Will the Mane Six and Spike save Equestria before it's too late? Or will they fall under Trixie's spell?