Murder occurs for real this time in Ponyville, many are shocked, many are scared if the murderer will come for them. The police has found a suspect, but to Phoenix's surprise, who is summoned by Twilight Sparkle, the defendant is Twilight herself…

Now with Apollo and Athena by his side, they take her defence, and start their quest to find the true murderer, and set Twilight free.

"Takes place after the Turnabout Storm series."