Dusk Shine doesn't know why but he can't shake the feeling that something is very wrong with the world. Are the Elements of Harmony trying to warn him, or is there something far more powerful and sinister behind his random hallucinations.

When a fundamental force fails, even briefly, the consequences are disastrous. For thirty seconds, magic ceased to exist. In the aftermath of the chaos, Twilight Sparkle must discover the cause if the world ever wants to rely on magic again.