Shortly after the traumatic death of his wife, Oscar and his daughter Tamara, as part of their psychological treatment, decide to escape their routine and relax for a few days at their old country house in Entre Ríos. Although the country air usually does them good, the stay does not seem to have the desired effect. Tamara's behavioral disorders deepen due to her obsession with a mythological creature, and they begin to realize that the calm of the countryside is not synonymous with peace.