Eighteen-year-old high school graduate, forced to relocate with her mother to her new boyfriend's home, clashes with his twenty-year-old college student son. Their antagonistic relationship shifts after a night of her own rebellious behavior. Returning home intoxicated, she playfully retaliates against his usual teasing, leading to an unexpected intimacy. Despite developing feelings for him, his reluctance to commit allows her to leave for college. He later regrets his decision.