Sonata Dusk and Aria Blaze have returned to Equestria with good intentions, to continue their reformation to be exact. Adagio, however, was aginst the idea and stayed back to wallow in her own self pity. Prior to their return they learned of a strange and extensive prophecy that falls on three ponies. Soon, Princess Luna will visit a young half-blood filly--and the lives of the three will be forever linked.