An experianced XCOM squad is sent to Equetria, but they aren't the only ones. Humans will have to work with ponies if they want any hope of tracking down the escaped aliens, and more importantly, getting home.
After the defeat of the Uber-Ethereal , the psionic volunteer fails to stop the black hole of the capital ship from opening, and only manages the divert it into a worm hole, before the ship explodes. But as worm holes go, they have to lead somewhere.