In this fascinating and unsettling science fiction film, a brilliant yet unstable psychology professor decides to experiment with a new method of exploring the mind using a sensory deprivation tank and a mix of hallucinogenic substances. As he plunges into his limits and experiments with his own perception of reality, he finds himself trapped in a series of surreal experiences that evoke memories of his past and take him to the depths of human consciousness.
As time progresses, his research transforms him in unexpected ways, revealing his connection to his ancestors and his relationship with the primal. But as his mind expands, he also begins to lose control, facing terrifying visions and the dissolution of his identity. His obsession not only starts to alienate him from his surroundings and the people he loves but also raises fundamental questions about the nature of existence, madness, and the limits of the human mind.
While his girlfriend struggles to help him return to reality, the professor plunges deeper into a dangerous journey that leads him to confront mysterious forces and his own primitive being. The lines between science and the supernatural blur, creating a hallucinatory journey that questions the perception of time, evolution, and the essence of humanity itself. All of this unfolds in a climate of tension and wonder that will captivate viewers until the very last frame.