Lara's life takes a dark turn when she wakes up beside the lifeless body of her best friend on a rainy night. With all evidence pointing to her as the culprit, Lara faces the terrifying prospect of jail time and even death row. Determined to prove her innocence, she embarks on a desperate quest to find the true killer. Haunted by the memory loss surrounding that fateful night, Lara enrolls in the same school her best friend, Amy, attended, hoping to uncover clues that will lead her to the deranged murderer. Teaming up with an unlikely group of allies, including the school's bad boy, a bookworm, and Amy's boyfriend, Lara races against the clock to clear her name. As secrets unravel and doubts arise about her friendship with Amy, Lara is left questioning whether she ever truly knew her best friend. With only six months until her eighteenth birthday, when she will no longer be protected as a minor, Lara must hurry to uncover the truth and find the killer before time runs out. "When I Turn Eighteen, I Die" is a gripping thriller that explores the lengths one girl will go to prove her innocence and the shocking revelations that await her along the way.