

Since childhood, Melanie Llyod has lived under the shadow of loss, her mother gone and her stepmother intent on securing a vast inheritance. Raised in a world of fragile comfort, Melanie grows weak and dependent. But after a sudden accident, Ashton Llyod reappears in her life, urging her to find strength and independence. The emotions they've suppressed for years begin to surface. Though they share no blood, they've lived as siblings for 18 years. But in the 19th year, everything changes… Kate Llyod, determined to steal Melanie's fiance, relentlessly tries to expose the secret connection between Melanie and Ashton. Amidst the growing misunderstandings, Melanie decides to bury her feelings and honor her engagement. Ashton, too, chooses to distance himself, focusing on his responsibilities. But when a twist of fate leads to a murder attempt, Ashton is left gravely injured and hospitalized. At last, both must confront their true feelings for each other. Yet, the challenges ahead are far from over…

In 2287, humanity is extinct, and Earth belongs to vampires and werewolves locked in a century-old war. When vampire archivist Veyra discovers a preserved human skeleton and a forbidden biology textbook, she begins questioning everything her kind believes about the past. Meanwhile, werewolf scout leader Elon learns that his sacred symbols are actually relics of human civilization. Their investigations lead them to the Dead Zone, where they uncover a terrifying truth: humanity vanished in a single, unexplained moment. Hunted as heretics, Veyra and Elon must join forces with a mysterious AI to uncover the truth behind humanity's extinction before history repeats itself.