25 years after his mistake lead to a inter-universal war, Marcus Walt must unite what remains of the human race to make one last stand against extinction, and become a symbol of peace after spending his whole life being the reason for war. Or Marcus Walt has lived in hiding for the last 25 years, ever since Earth was lost to the Invaders from another Universe. When Marcus suddenly becomes public enemy number one, he must face up to his past and unite what is left of the human race for one last stand against extinction.