Sometimes all you need is someone to care. Melody didn't think anyone would care, but a letter did care... Unfortunately the letter sender also needed help.
I could have saved her. I could have saved my friends. I could have saved ponies. But instead, I kept hush. And I don't know how I can open my mouth to scream.
When an ancient enemy of Equestria makes it's presence known, it is up to the elements of harmony to stop them. But things are never so simple as that.