What do you do once your dream is taken away from you? Rainbow Dash finds herself in that very position. She has to find herself a new dream, a dream that might lead to something she never expected.
With her new princesshood, Twilight realizes she is going to be trapped with every memory she's ever had. According to Rainbow Dash, maybe that isn't as bad as she might think.
Rainbow has been having personal problems lately. Twilight has been having a hard time controlling her temper. Then, after one tragic incident occurs, the two need to work together to find out what's wrong with them.
Twilight wakes up to find that she has lost her voice completely, and even worse, her magic. All the while, Ponyville is being absolutely annihilated by a unicorn that looks exactly like her.
Twilight had always been the one to save the day, but what happens when she is the one in need of saving. The Changeling queen is back and out for revenge.