Thieves break into a scientist's laboratory to steal a secret formula, and in the process they kill his daughter. Enraged, he develops a formula that will turn an extremely ugly woman into a spectacular beauty, and then uses the woman … Lilia del Valle, Ramón Gay, Julio Villarreal, Charles Rooner, Fernando Wagner, Luis Aceves Castañeda, José René Ruiz 'Tun-Tun' Added on Amazon Prime 2023-04-16.