A former Marine poses as an inmate inside a Mexican prison in order to infiltrate a gang suspected of kidnapping a U.S. judge’s teen daughter. Caught during a police raid, Dante is sent to a maximum-security prison in Mexico, where he’s quickly initiated into a violent world run by two gangs. To get provisions for a birthday celebration, La Unión breaks into Foca’s stockpile of merchandise. Linda works on winning her deliveryman’s sympathy. Porfirio is faced with a matter more pressing than helping his brother find Linda. Dante hears a rumor about a secret route to the prison’s old wing.