Endless Love (1981)

About:

Two teenagers named Jade Butterfield and David Axelrod fall in love despite their her parent's disapproval. Enraged by Jade parents' decision he commits an unforgivable act, that is however, only if Jade believes it's unforgivable.

Trivia:

This film received nominations at the Golden Globes, the Academy Awards, and the Grammys. Actor Tom Cruise made his professional film debut during this movie in a minor role.