A love story between a Mexican teenager and an American woman who meet one summer in Mexico.

In Mexico, two teenage boys and an attractive older woman embark on a road trip and learn a thing or two about life, friendship, sex, and each other.

Tomás Tomás is a young yuppie playboy with a string of discarded girlfriends. But when Silvia, the victim of one of his adventures, tries to get revenge by typing "positive" on his AIDS test, Tomás experiences for the first time the realities of love and death.