The Grineer have contracted a Tenno to protect a payload from the Corpus. Though it seems like an easy enough task, word has spread of a secret project in the works by the Corpus. What could this project be? And what are the Corpus doing on Earth?

"¿lo que no te mata te hace mas fuerte?...aquí las cosas son distintas. aquí lo que no te mata vuelve para terminar lo que empezó. lo importante es matar a tu asesino antes de que el te mate a ti" -Tank Rex(Rhino)