A home invasion thriller starring a dog trainer trying to modify a human’s brain.

Abel (Javier Pereira) is a brilliant architect who suffers from agoraphobia. He has been living isolated in the mountains for three years, unable to set foot on the street. As a result of a very important professional opportunity and the possibility of losing Sonia, his ex-partner and partner in the studio where he works, he must seek an immediate solution to his illness.

Therapy does not work for him and his only solution is to accept the offer of José (Fernando Cayo), a prestigious dog trainer who is convinced that his techniques with dogs can correct his problem. But José reveals psychotic behaviour and what at first seemed like a solution gradually turns into torture from which Abel will find himself unable to escape. The trainer is trying to turn the human into his hunting dog...