After his best friend dies committing a school shooting, a troubled teen is sent to live with his estranged father and meets a boy who opens him up to new experiences.

The story seems to be about the relationship between the troubled teen and his new friend. The rest is backstory, which is good for the script but just takes up space in the logline.

What is the lead character’s goal? He meets the new friend and then he wants… (What does your lead character want?)