Macallan and Tulley assemble what’s left of the Hail Mary’s damaged reconnaissance gear to make a run at the Cedar Elm, a mysterious shipwreck that has been detected in several different locations. Seinshun has told Macallan that the key to saving her grandmother’s life lies within the wreck. In the meantime, the immortals in Sutton Manor are desperate to locate Macallan since she went undercover several days ago.