As far as Cassandra Marston is concerned, immortality exists only in the fictional world of movies and books. Even if she did believe in living forever, becoming immortal isn't on her bucket list. She wants to meet the right man, fall in love, have children and grow into a comfortable old age with him. Keegan Fitzgerald has lived for thousands of years and is happiest when sequestered on his mountain, coming down only for business and the occasional one-night-stand. He has spent thousands of years looking out for himself and only himself. Since the beginning of time, the immortal Aeterni have been first-born sons. Until now... On a stormy night, fate brings the immortal Keegan and the mortal Cassandra together when he kills her in an auto accident. With her inexplicable return to life, nothing will ever be the same. Keegan must learn to put the needs of a beautiful and desirable woman before his own. While Cassandra's forced to abandon her dreams and learn to live forever. As necessity turns to passion, living forever becomes a dream come true. Discovering her immortality isn't natural but created by science with a madman bent on destroying the Aeterni way of life and keeping Cassandra for himself, Keegan and Cassandra must race against time to secure her future so they can have forever...or time will run out.