On a visit to the Crystal Empire, Twilight Sparkle pieces together clues and evidence to paint an unmistakable conclusion: her so-called friend Rarity has somehow seduced her brother Shining Armour into betraying his beloved wife. There is no possible other explanation. She must confront this homewrecker and expose the truth!

UPDATE: There is now a voice recording of Homewrecker, by Skijaramaz - Tone Shift. It is very high quality. Check it out right here!