She signed up for a dangerous clinical trial out of pure desperation. The experimental pheromone drug promised fifty thousand dollars—and the risk of losing her mind to uncontrollable desire. Twelve weeks sealed inside a remote facility with a stranger. No contact with the outside world. No way out.
Then her partner walked in—and Mackenzie's blood ran cold.
Alpha Ryken Storm. The wolf who cast her out of his pack when she was just a child. The one man who knows exactly what she a forbidden hybrid who was never supposed to survive. He's as dangerous as she remembers. Crueler. And his eyes carry a heat that has nothing to do with hatred.
But Ryken has his own secrets. His father—the most brutal Alpha alive—sent him into the trial on a mission that could end with Mackenzie in a shallow grave. The drug is already burning through both of them, tearing down every wall, every defense.
Enemies. Cellmates. True mates.
When the line between claiming and killing disappears, who will break first?