When 14-year-old Susie Salmon was murdered, she left her unfinished life behind. Now from her place in a strange but beautiful in-between world, she must help her father catch her killer and protect her family before she can finally move on.

George is a blue-collar American with a special connection to the afterlife dating from his childhood. French journalist Marie has a near-death experience that shakes her reality. When London schoolboy Marcus loses the person closest to him, he desperately needs answers. Each seeking the truth, their lives will intersect, forever changed by what they believe might, or must, exist in the hereafter.

University lecturer Robert Bridge feels skeptical about all things paranormal until he meets Alison Mundy, who has seen and heard spirits since she was a child. Robert thinks she's the real deal, a genuine psychic who risks her life to help people heal from relationships torn apart by death. He's in for a shock, though, when Allison tries to help him accept the accidental killing of his own son.