In a remote tropical jungle, high-stakes ecological researcher Dr. Elena Voss tracks rare pheromonal spikes that haven't been detected since they first appeared twenty years ago. She soon discovers she isn't alone, as a pack of Yautja males has descended upon the basin to begin a primal spawning ritual. These Predators were born on Earth soil two decades prior while their parents conducted a legendary hunt, and they have now returned to their birthplace like salmon swimming upstream to spill their seed.

Voss realizes her own biological signature (and ample rack) has made her the primary target of their high-tech courtship, and to her own surprise, the virgin doctor finds herself craving the contact. To ensure her survival and satisfaction, Elena orchestrates the competition, manipulating the males' pheromonal drives to fuel a theater of brutal, carnal combat. The hunters fight to establish dominance while Elena strategically focuses on crowning a single victor, unwilling to deal with the intergalactic drama of having more than one baby daddy. Ultimately, she directs the pack's aggression until only the strongest male remains to claim her and secure his bloodline in her over and over again.