Human girl Linda has spent two years dating vampire Lester and is engaged to marry him. However, she soon notices that Lester’s adoptive father — ancient vampire progenitor Lucas — shares an identical face with Lester and haunts her dreams. Lucas repeatedly impersonates Lester to approach her, and the two grow intimately entangled. Linda slowly falls for Lucas but struggles with guilt over her fiancé.
Later, Lucas reveals Lester’s secret affair with female vampire Lilith. Shocked and heartbroken, Linda ends her relationship with Lester. Facing a deadly crisis, Linda regains her long-lost memories of her past romance with Lucas. The hidden truth finally unfolds: three years ago, they faked their breakup to escape lethal threats from werewolves.