In a remote corner of the jungle, a scientist obsessed with primate research becomes ensnared in a web of intrigue and betrayal when his colleague is murdered under mysterious circumstances. Plunged into despair, the scientist delves into the darkness of an ancient legend that links a gorilla-like creature to a local cult. As rumors of a lurking beast start to circulate among the natives, his beautiful wife, trapped in a loveless marriage, begins to feel the claws of loneliness and longing.
Tension escalates as the protagonist, determined to uncover the truth behind his colleague's death, prowls through the jungle and gets closer to the fields of a powerful landowner who harbors a dark secret. The line between science and the supernatural begins to blur, and the protagonist's experiences turn into a nightmare as he starts to develop a strange bond with the creature lurking in the jungle.
In a unpredictable twist of fate, his wife becomes ensnared in the whirlwind of events and inexplicably transforms into something more than human, merging her essence with the beast she has sought. As chaos unfolds, the boundaries between madness and reason become obscured, leading everyone to a terrifying climax where the jungle comes alive, and no one is safe from its secrets.