After teenage friends Jamie and Ramsay travel back to Altair to save the last citizens of that dying planet, the ancient race who built the mysterious, wormhole-seeking Salmon returns with a terrible proposition for Jamie.
Fourteen-year-old Danny Lopez reviews the path that led him from Las Vegas, Nevada, to an experimental school near Colorado Springs and then to his imminent death at the hands of a cat-killer ready for bigger prey.
Jamie, Ramsay, and Ramsay's cousin Brian, answer a summons to return to Altair where they learn that the Witch Queen wants to capture the Salmon from them and use it to transport her people from that dying planet to Earth.
Shortly after moving with his mother from Harlem to Ireland, teen cancer survivor Jamie O'Neill discovers a portal in a lighthouse that brings him to a distant planet, where he helps a community of aliens fight against invading warriors.