Fernando Munoz, call sign Cipher, is a vengeance class battleship built to protect human colonies from the Evendi. While trying to find the truth behind an accusation made by one of his fellow ships, Cipher uncovers a dark secret hidden deep inside himself. Finding the need to spread the word to the other ships, he unknowingly initiates a sequence of events that would affect not only the entire human race, but the Evendi as well.