Tatiana Schlossberg knew, deep down, that her time was slipping away. At 35, she carried the weight of history on her shoulders, yet faced the most profoundly personal struggle of her life. The daughter of Caroline Kennedy, granddaughter of President John F. Kennedy, and a young mother of two, she had built a life full of promise and purpose—only to have it confronted by a cruel, unrelenting force: a terminal cancer diagnosis just weeks after giving birth to her second child. It was the kind of news that stops time, a reality no parent should ever have to imagine. And yet, there she was, caught between grief and the instinct to fight, determined to carve out every possible moment of life for herself and her family.