18-year-old Nacho shows up at the cow-breeding ranch of his father, Marcos, whom he barely knows. His father is worried because, as the ranch’s yearly auction is approaching, several cows are dying without explanation. When Nacho finds out who is killing the cows and why, he understands the magnitude of the problem. Cornered by distress and confusion, he’ll have to choose: being a boss or not being a boss. Perpetuating the system, the insult, the abuse, or refusing to take part in it.

Emilia, 17, arrives at her Aunt Ines' hostel at the border between Argentina and Brazil, looking for her long lost brother. In this luxuriant jungle, where local myths and legends abound, a dangerous beast believed to be the spirit of an evil man taking the form of different animals seems to be roaming around. On a journey to sexual awakening, Emilia will have to confront her past in order to kill the beast.