After discovering a new planet, the Tenno, a race of warriors, master of gun and blade and the warframe, and Lotus, the adviser, travel to find a brand new world with a species they've never seen. Unfortunately, they were followed. The Grinner, a ruthless military organization hell bent on wiping out the Tenno, arrive to find their enemy and an ally to them.
Now the Tenno are not only fighting for their lives, but for the ones of Equestria as well.