Un joven estudiante es asesinado por la banda de Los Puñales. Su hermana, la maestra de química Rosa, novia del agente policiaco Lince, se desespera por la pasividad de las autoridades y decide intervenir. Usa una motocicleta y un traje que le pertenecieron a su padre acróbata. Localiza a los delincuentes disfrazándose de cabaretera y va matando uno a uno.

The building of a railroad under tough conditions from searing heat to freezing cold in the Sonora desert provokes clashes of passion and struggles between the engineers and the workers at the campsite. The workers also contend with sudden dust storms that are called the 'black wind'. Based on true events.

After getting out of jail, car thief Ernest "Stick" Stickley witnesses the murder of his friend Rainy during a drug deal. To avoid getting killed by the same people, who work for mobster Chucky, Stick gets a job as a chauffeur for millionaire Barry Braham and lies low. As he gets used to his new routine, Stick woos Barry's financial consultant, Kyle McClaren, but must fight back when Chucky's men come after him.

鲁本博士是一个住在墨西哥边境小镇的愤怒的孤独者。一名死于狂犬病的男子跌跌撞撞地来到镇上后不久，鲁本医生自己也被同样的狂犬病狗咬伤。现在，他必须让其他人在48小时内帮助他到达城市医院，在疾病变得无法治愈之前。