The year is 2151. Lissa Darkiss was once a sick girl on the brink of death, living out her dwindling days in a vast hospital. When a breakthrough in the field of medicine presented her with the long-sought cure for cancer, she didn't hesitate to take the chance. Now, she must live with the consequences — the "cure" did more than save her life, it unlocked extraordinary abilities she didn't know she had.

Hallie is kidnapped and sold to a vampire as a pet. Basically she's his pet dog and food source all in one. Hallie hates him! He pets her and coo's at her. He feeds on her and takes away her innocence. When Sebastian loses someone very close to him he takes comfort in Hallie and the pair become closer. Hallie learns that even though he owns her, Sebastian is actually a kinda nice guy. So long as he gets fed and Hallie wears what he wants her to. He even promises to set her free... One day. But will he let her go? Or will Hallie forever be his pet?