1. Olivia's Sister, Cassie, Becomes a Vampire: Olivia's problems start when her sister, Cassie, is turned into a vampire by a mysterious vampire family. This causes a rift in their relationship as Olivia struggles to understand and cope with Cassie's new nature while facing her fear and confusion.
2. Vampire Family Rivalry: The vampire family that turned Cassie is divided by rivalry, and Olivia becomes entangled in their power struggles. The leaders of the family, the Deveaux siblings, are at odds with each other, and Olivia finds herself caught in the middle of their conflict, unsure who she can trust.
3. Danger and Conflict: As a result of Cassie's transformation, Olivia faces danger from other vampires and vampire hunters who are pursuing the Deveaux family. She has to navigate a world of secrecy and violence while trying to protect herself and her family.
4. Internal Conflict: Olivia struggles with her own feelings and emotions throughout the story. She feels torn between her love for her sister and the fear and distrust she harbors toward vampires. She must confront her inner demons and make difficult choices to save her sister and herself.
5. Trust and Betrayal: Olivia has difficulty trusting anyone as she uncovers the secrets and deceptions surrounding the vampire world. She grapples with the question of who she can truly rely on and must navigate a web of betrayal to uncover the truth.
These problems drive the story forward, leading Olivia on a journey of self-discovery, courage, and ultimately, the resolution of the conflicts that threaten her family and the vampire world.