Chile, 1970. During a night of heavy drinking, Jaime, a lonely 20-year-old young man, stabs his best friend in what seems a passion outburst. Sentenced to prison, he meets “The Stallionâ€, an older and respected man in whom he finds protection, and from whom he learns about love and loyalty. Behind bars, Jaime becomes “The Princeâ€. But as their relationship grows stronger, “The Stallion†faces the violent power struggles within the prison.