Our Chemical Hearts by Krystal Sutherland. It follows a guy named Henry (Austin Abrams) as he meets, and falls in love with, the new girl in his school, Grace (Reinhart).
Grace has a history, though, and there's a reason she transferred to his school the summer before senior year. It's quickly revealed that she and her former boyfriend Dominic got into a very serious car crash, and she survived while Dominic did not.
The movie makes it obvious that she's going through some serious grief, which makes her new relationship with Henry very complicated.
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