Lana is the spoiled daughter of an American millionaire who has been fucking for some time her Mexican chauffeur, which happens to be the husband of Rita, her maid.
When Rita found out, she took revenge by seducing and fucking Lana's husband.
Lana feels so humiliated that she doesn't fire Rita, but challenges her to a no-referee and no-time-limit private boxing fight in the mansion gym.
Lana is a gym rat and practices shadow boxing, while Rita grew as a street fighter.
Their womanly honour is at stake, they hate each other guts. There will be no mercy.
Who wins?