"HAL JORDAN, guardian of intergalactic Sector 2814, travels to Mars with two of his GREEN LANTERN CORPS teammates to investigate a mysterious crater on the Red Planet. Clues lead them to the distant planet Ysmault, but it's a trap! HAL's companions are captured by ATROCITUS, leader of the rebellious RED LANTERNS. But if HAL gives in to his anger, the mad Atrocitus will grow in strength, take over Earth's solar system, and become even more powerful than HAL!"