Samus Aran is sent to another nameless planet after the events on Planet Aether. What was supposed to be a routine recon mission turns deadlier when she finds herself embroiled in a war on multiple fronts, especially one in particular: her own mind.
Returning to the past, Twilight does what is necessary to save Cooper from his fate. The consequences for such choices, however, are not to be underestimated. Only time will tell if it was worth it...