Callum Turner opens up at the TIFF premiere of Eternity, presented by Rogers, about the difficulty of moving on after loss and how move on afterwards. Eternity follows Joan (played by Elizabeth Olsen) and Larry (Miles Teller), a devoted couple who die within days of each other. But when Joan is reunited with her first husband Luke (Charlie Turner), who was killed in the Korean War, she must choose between the youthful passion of her past and the enduring love of her second marriage. Callum noted