Donovan McGinnis, a veterinarian and conservationist at a research center in Sumatra, is fighting to save the rainforest from poachers and politicians alike. One day he discovers a tigress trapped by a snare, and while treating her injuries, she bites him. He becomes ill with strange symptoms that leave him feverish and dreaming of the jungle and blood.

Kersen and his family are part of the Harimau jadian, a clan of tiger shifters hidden away in a secret village near the rainforest. When Kersen's sister is caught, he knows he...