"The One" tells the incredible and true story of a young woman who survived a fall from more than 5 km. Wounded and hurt, she had to struggle several days in the wilderness before being rescued.
After committing a series of multiple murders, a neurologist visits an incarcerated killer, living in exile. She studies him and his brain and discovers the horror that lurks behind his violent impulses.
Nacho flees the violence of his home in Buenos Aires and looks for a home under the protection of his father, a rancher with whom he barely has a relationship. Nacho will have to fight to understand his place as a patron.