Freeing a Tiger's Soul

Euan MacTern has fought an all encompassing darkness for fifteen years. He had no understanding of why it tormented his soul with its evil, but he fought it hoping to find a way to escape it. The laughter of a silver haired beauty gave him the first glimpse of freedom, but when he wanted to claim her the darkness fought him. Now he must fight a war inside his own mind to claim his mate before the darkness forces him to kill her. Can he find a way to free his soul from, the overwhelming darkness and realize the future that has been promised to him or will the darkness win and take the one thing that is more precious than his soul, his mate?