An abstinent high-school graduate heading for college doesn’t want to say goodbye to his friends but must confront those friends he avoided for that same reason after he lifted a shop, tried drugs and had sex with his friend’s sister.

Agreed with the above.

Also must confront his friends is not an action, it's a discussion and part of a scene at best. Once you figure out what the goal is, best to come up with a better description of the action he will take in the story.

Like the others, I can't make sense of the logline. ?How can he be "abstinent" and yet have "sex with his friend's sister"?

Like the others, I can't make sense of the logline. ?How can he be "abstinent" and yet have "sex with his friend's sister"?