Young woman and her godfather make up a story about her past in order to trick a suitor into marrying her. Then she becomes a musical comedy star and Mexican Revolution.
Handicapped day-laborer crushes out on a ranchera singer, then has a chance to save her from ruffians. After that, he becomes a ward/employee of a Catholic orphanage and trains for lucha libre competition with an aging wrestler who mentors him.
Crooked promoter has a secret weapon who goes around beating fighters to death after their matches if they aren't in line with his rigging schedule. Part one of two.
Young wrestler runs afoul of gambling-syndicate Mafiosi; his twin brother and two friends meet at his funeral and decide to avenge his murder (which they don't even start doing until the sequel).