Stella Grey was just 5 years old when her best friend Alexander Smith and his family moved away to England due to his father's job. "Alec, you're gonna be gone forever?" Stella asked with a shaking voice. The hairs that had come undone from her braid tickled her forehead as she stared at her shoes. "I think so, Ella," Alec replied, trying to look brave in front of his friend. "Will you forget about me?" the girl in the braids asked, looking at him. "Never," the boy in the dirty sneakers replied. "Promise?" "Promise." It's been eleven years since that day at the airport, and the Smith's have returned to the small town Stella and Alexander grew up in. The two 16 year olds reunite and everything is different. Together, they face memories, discovering themselves and each other, and most of all, they discover feelings neither of them would have imagined.