A terrible disease is found in a Mexican town. A doctor tries to alert the authorities when he discovers its epidemic nature. No one listen to him and soon after the disease spreads. The government tries to control the information in order to prevent panic.

Narration of one of the bloodiest episodes of the Mexican national history, The Tragic Ten, beginning when General Victoriano Huerta sent to kill President Francisco I. Madero, Vice President José María Pino Suárez and Senator Belisario Dominguez. The film recreates the moment of the execution at the hands of Huerta and his accomplices Bernardo Reyes, Félix Díaz and Manuel Mondragón.

A small Arizona town is plagued by violence created from the tension between Anglo and Mexican-American youths. Tony (Tom Nardini) is the idealistic new kid in school who tries to alleviate long-time tensions between the rival factions. The Mexican gang is led by Paco (Zooey Hall), a hot-tempered youth with good reason to resent some of his Caucasian counterparts due to past prejudices. Bruce (David Macklin) is the leader of the white gang. Patty McCormack and Joanna Frank are the female interests who become victims of the gang struggles. Tony, formerly from San Diego, attempts to change the attitudes of the polarized and violent groups. Simms (Russ Bender) is a bigoted educator who fans the flames of hate, and Wilson (Arthur Peterson) is the school principal who is helpless to stop the violence between the two factions.

When a young boy steals billiard balls from a local saloon, a stranger is charged with the crime. The local layabouts find there is no reason to hang out at the bar without being able to shoot pool, and the boy entertains thoughts of forming a gang to steal more billiard balls in hopes of making money.