The first female U.S. President is shot dead by a sniper during her Independence Day speech. Three months later, a wounded man is found hanging from a tree with no memory of his identity. The only clue is a tattoo on his neck, 'XIII.' A far-reaching conspiracy threatens to overthrow the entire government, with XIII's identity being the key to unraveling a complex and dangerous truth. Clinging to one desperate clue after another, XIII discovers that the only way to get his life back is to play bait in a deadly game of cat and mouse.