Twyla enters high school sure of three things: Her best friends will always be there for her, the next four years will be amazing, and her mom was right when she said there's a reason behind everything. Then she gets extremely nauseous and has trouble concentrating during a field hockey game. The doctors say it's only a mild digestive issue, but Twyla is convinced they're wrong. Making things worse, her friends start ghosting her outside of school, even though they tell her everything is fine, and her dad is becoming more distant each time she asks about her mom's life before she died. As Twyla's illness intensifies and her diagnosis stays the same, she finds herself feeling like her world is unraveling. It's not until she begins researching her symptoms herself, and discovers something in her mom's old records that could hold the answer to her condition, that she believes there could be some sort of reason for everything she's facing. But will anyone listen to her in time?