As a landmark anniversary approaches, Kate Mercer meticulously prepares for a celebration that should mark a lifetime of shared memories and unwavering commitment. Yet, just days before the party, a startling revelation shatters the quiet equilibrium of her marriage to Geoff, her husband of forty-five years. A letter arrives, informing Geoff that the body of his first love, Katya, who perished decades ago in a tragic accident in the Swiss Alps, has been discovered perfectly preserved in ice. Directed by Andrew Haigh, this deeply resonant drama stars Charlotte Rampling as Kate, whose world begins to unravel as she confronts the ghost of a woman she never knew. As Geoff, portrayed by Tom Courtenay, becomes increasingly preoccupied with a past he thought he had buried, Kate is forced to question the very foundation of their life together. The film masterfully builds a quiet, almost unbearable tension, exploring the corrosive power of doubt and the fragility of long-held devotion. With a restrained and devastating performance from Rampling, 45 Years is a haunting and emotionally precise portrait of a marriage tested by the echoes of a love that never truly died.