The adventures of the newly resurrected Jean Grey and her handpicked "Red Squad" continue! One of the X-Men´s greatest foes has come calling on Namor´s undersea kingdom of Atlantis, and they´re determined to bring about its end! But Namor´s teammates aren´t going to let that happen without a fight... Now, Jean Grey and the Red team find themselves out of their element and under the sea, as they must fi gure out a way to repel a devastating attack on Atlantis -while at the mercy of a world that grows more hostile to mutants every day, and an enemy who is determined to keep it that way!