Stephen Hawking, one of the most renowned theoretical physicists in history, embarks on a quest to unlock the secrets of the universe's origin. Despite living with a debilitating disease that has left him paralyzed, his unwavering determination to understand the moment of creation drives him to seek a single, powerful theory that could explain the mysteries of the cosmos. Through his groundbreaking work and the collaborative efforts of fellow scientists, the film explores the profound questions of why the universe exists and whether it will ever come to an end.