In an alternate Equestria, The Wonderbolts and The Shadowbolts are two organized groups that began as friends, but over the years, a feud between them has grown into a nearly all-out war between them. But when one of the sons of the Shadowbolts leader, Soarin, falls in love with a Wonderbolt, Rainbow Dash, the feud is challenged, and leads to even further conflict. Will the feud be put to rest, or will the lovers face the same fate as another famous tragic couple?