dawnaterashi
On her walk home, Kylie realizes that she won't see the love of her life for the entire summer. He never said goodbye, and she thinks it means he forgot about her. She has no idea what's in store for her as she continues her walk.
On his walk home, Tyler realizes he never said goodbye to the girl he loves. He starts to run towards her house, hoping he can find her in time. If she gets home before he reaches her, he'll never get the chance to say goodbye.