The second book in the Ascension Series. After Lexa's ascension to The Throne Of Polis, she must now lead The Coalition Of Thirteen Clans to war against Mount Weather. The Mountain Men are now free to reclaim the lands of their ancestors after successfully merging The Blood Of The Commanders with their own to become immune to the radiation on the ground. Commander Lexa and The Skaikru Warrior, Clarke Griffin fight to protect their people from the wrath of these Shadow Bloods. As the call to war echo's across the land, hard times lay ahead for The Trikru Commander and her Skaikru Warrior. The fates are not always kind to those who fall in love in times of conflict.