Everything begins with Seraphine, a woman trapped in the cruel world of the Lion’s Den and under the control of its ruthless Mafia Boss, Lucian Vyre. When she becomes pregnant by another mobster, Mark, Lucian sees it as the ultimate betrayal. Seraphine is killed, leaving her newborn daughter, Caroline, behind in a world where mercy does not exist.Lucian, the head of the Lion’s Den, orders his assistant, Bella, to get rid of the child. But Bella doesn't. Instead, she takes Caroline to the Training Ground, where she grows up without parents or family. Though her life is far from normal, she eventually adapts to it.Years later, Lucian discovers that Caroline is still alive. He sells her off to a man who becomes a target of the strongest, richest, and most deadly Mafia Clan in all of North America and Asia—the Blood Hunters.During the mission to kill that man, the First Lady of the Blood Hunters, Anthonia Draco, finds the little girl interesting after Caroline saves her life. She decides to take the girl back home.Caroline grows up in the midst of the Blood Hunters as a maid and has never once met Miguel, the Heir Apparent, even though they are in the same clan.She is eventually assigned as his personal maid.And that's when they meet.Their first encounter is bloody.She accidentally destroys a prized possession of his—the first and only gift ever given to him by his psychotic grandfather, Padrino Michael.And the torture begins.He tortures her for it the first time before eventually letting her go. She wishes to be assigned somewhere else, but unfortunately, that doesn't happen.She has to keep facing that unpredictable man as his maid.What starts as pure hatred for his maid becomes something bigger.Meanwhile, secrets begin to unfold, and Lucian discovers that Caroline was saved by Anthonia and taken to the Blood Hunters.He decides to use her.Lucian secretly contacts Caroline and threatens her into spying on the Blood Hunters Mafia Family.He lies to her, telling her that he is her father and that Seraphine gave birth to her after being with him.If she dares to refuse, he will make it known to the Blood Hunters that he intentionally planted her there as a spy. He already has evidence and fake proof in place.Caroline has no choice but to become a spy for the Lion’s Den.She becomes part of Lucian’s plan to destroy the Blood Hunters.She has a simple role to play, but it becomes complicated.Her heart begins to beat for the very man she is supposed to be careful around, especially if she wants to keep him from discovering her secret.What starts as a dark relationship between her and Miguel begins to change into something bright.She falls first.But he falls harder.In love.With Caroline.There are obstacles to their relationship, especially when Miguel’s grandfather, who cherished him so much because he believed Miguel would be exactly like him—totally heartless, someone who would have a family only out of necessity and never love anyone—turns against their relationship.Miguel is in love.And it becomes known.His grandfather opposes the relationship and even tries to kill Caroline, the woman he believes has bewitched his son.Instead, this only strengthens their relationship.Miguel personally trains her to defend herself.And then the twist has to happen.He finds out that she has been spying on his family.Not just him.Everyone.Lucian has betrayed her because she tried to betray him first. She is about to tell Miguel the entire truth, but it is too late.Miguel already knows.How could he ever forgive her?But in the end, they both take revenge only on the man who caused all of this—Lucian Vyre—and destroy his clan.Miguel and Caroline side by side. It was a bloody battle.