Two and a half years after Samus' successful mission to Equis, the Hunter is reunited with her companions. The circumstances of their reunion, and what they find hidden on the planet, threaten the very place that she now calls home...
A meteor impacts the nation of Equestria, Planet Equis. Tranquility is quickly snuffed out when a poison begins to spread violently. The Princesses cannot combat this unknown threat, as no knowledge of it exists. Help comes from an unexpected source.