Celeste (Raffey Cassidy) is a teenage music prodigy whose talent shines through during a memorial service when she sings a song that touches the hearts of mourners. Guided by her sister (Stacy Martin) and a talent manager (Jude Law), Celeste's meteoric rise to fame dovetails with a shattering terrorist attack on the nation, elevating her to a new kind of celebrity: American icon, secular deity, global superstar. Eighteen years later, Celeste (Natalie Portman) finds herself on the comeback trail when a scandal, personal struggles and the pitfalls of fame threaten her career.