Questioning his loyalty to the Green Lantern Corps and stranded on a terrifying new world, John finds a lost crew desperately in need of a hero, even as he senses an ominous growing presence within the Dark Star of the Fenn. Meanwhile, on Earth, John's newly resurrected sister, Ellie, learns that she shares John's powers... and she'll need them to protect their family from the cosmic abomination that was Varron!