When one of the biggest villains in Equestria's history returns, he comes with a vengeance and a plan. The Mane Six arrive in the Crystal Empire to stop Sombra, but an unforeseen development ends with Sombra being betrayed and Twilight separated from her friends. Now far from where she needs to be and stuck with the worst stallion she could think of, Sombra and Twilight agree to work together to return. But will the Magic of Friendship cause these two ponies to see past their differences?