Eight years after she saved him, prison doctor Wren Calloway is thrown back into Ronan Vale’s path—the ruthless S-class blood serpent shifter she once let go. Now scarred, furious, and sure she betrayed him, Ronan traps her in a prison standoff thick with hatred and forced closeness. But after breaking free, he invades her home and turns revenge into captivity. With his dangerous fixation spiraling, Wren must face the truth behind his bitterness before his obsession consumes them both.