Daniel X works alone. Having watched from the shadows as the brutal murder of his own parents unfolded before him, he has been forced to make his own way in a dark and unforgiving world with a heavy task handed to him. Daniel's father was an alien hunter, working his way through a fearsome 'wanted' list of aliens intent on seeking control and wreaking devastation. Now Daniel's life ultimate aim is to exact revenge against number 1 on his list: his parents' murderer. But first he must target the others: each more sinister and gruesome than the last.