Remember I Left You Each Other

Maggie spent her whole life feeling like her parents hated her. While her father was one of the most well-known authors and her mother was a small town's biggest celebrity, they did not show much interest in their children, or so Maggie thought.
When her father suddenly passes away, she flies home to be there for her siblings. Things take a turn when Maggie finds a series of letters addressed to her from her late father on each of her past birthdays.
She was convinced her father hated her, but now she is unsure.