An old gray mare walks down an ancient turnpike, and encounters a unicorn named Luna, standing at a crossroads. Across a land without sun or moon, their paths bend inescapably together beneath strange, wrong stars that may soon be right.
Tempest tries to find her place in Equestria after returning from her travels. After some time feeling like an outcast, Tempest begins to question her decision to come back. That is, until Twilight drags her to a Wonderbolts show. It doesn't go well.
Twilight feels that it might be time to take the next step in her relationship with Princess Luna. But even if the proposal goes according to plan, forces Twilight knows nothing of may disrupt their happy future profoundly.
Caught out as a traitor to the hive, Thorax tells a desperate lie: he's only been pretending to be the ponies' friend so that he can avenge his queen. Now he has to somehow make that lie seem true, and nothing will go according to plan when he tries.
Luna regards the dream realm as her sacred responsibility. So when she finds an alien being dreaming a nightmare of imprisonment, she has a resonsibility to rescue him. Little does she know where that one simple choice will eventually lead.