

Casey Stone and Melly Stone, daughters of the Stone family—the strongest beast tamers in the beast world—awaken their beast-taming arts on their coming-of-age day. They must choose powerful beast-men for dual cultivation to enhance their spiritual power and summon mighty spirit beasts, becoming the Sovereign of All Spirits to consolidate beast tamers' rule over beast-men. In her previous life, Casey awakens the Beast Horde Summoning ability while Melly awakens Ferocious Beast Transfer, which she uses to frame Casey for all the savage beasts she summons. Casey is branded a disaster and dies miserably. But Casey returns to the past, and this time she awakens Beast Bloodline Evolution, the ability to upgrade any ferocious beast into an ancient divine beast. She's fully prepared to ruthlessly expose those who cause her death.

Camille Sloane discovers while reapplying for her marriage certificate that she's still legally unmarried—her husband Malcolm Rourke's actual registered wife is his assistant Sierra Lowell. Shocked and heartbroken, Camille learns everything was orchestrated by Malcolm and witnesses him flirting with Sierra at the office.She decides to apply for immigration to leave him forever. Though Camille wants to leave peacefully, Sierra refuses to let her go, provoking her at Camille's birthday banquet and even self-harming to frame her. Camille fights back, but Malcolm wavers and repeatedly hurts her for Sierra's sake.Completely heartbroken, after receiving immigration approval, Camille prepares to leave but is kidnapped by Sierra's scheme and subjected to ninety-nine lashes by Malcolm, who doesn't know the truth. In her fading consciousness, Camille discovers her parents' deaths hide deeper secrets, and she vows to make Malcolm and Sierra pay the price.