On a day that started like any other, Mia (Chloe Grace Moretz) had everything: a loving family, an adoring boyfriend, and a bright future full of music. Suddenly, a family drive on a snowy day changes everything. In an instant, almost all of that is taken from her. Caught between life and death, Mia spends one critical day contemplating a future that is now more unknowable than ever. Is love enough to keep her here? Tragic but ultimately hopeful, this is a romantic, riveting and uplifting story about music, life and love.