Grieving the loss of his wife and one of his twin sons, Matthew clings to his surviving son, Andrew, as they navigate their shared pain. While renovating their home, Matthew discovers a hidden photograph of a man from the 1800s, bound and lifeless in a coffin. Young Andrew, who adamantly denies his twin brother's death, becomes fixated on the photograph. He insists that his brother is still with them—and soon, his attention shifts to the man in the picture. Andrew begins speaking of the figure as if it is not just an image but a living presence within their home. As strange events unfold, Matthew is drawn into a horrific mystery. He must find the answers to save the only family he has left before it is too late. With Matthew's world spiraling into the darkest of nightmares, he finds connections far more insidious and closer to his family than he could ever imagine. He must battle the shadows of grief and the haunting ties that bind him to the ones he has lost before they consume him alive.