While on her daily walk with her dog in a secluded woods, a woman comes across a note, handwritten and carefully pinned to the ground by stones. "Her name was Magda. Nobody will ever know who killed her. It wasn't me. Here is her dead body." But there is no dead body. With very little to go on, our narrator invents a list of murder suspects and possible motives for the crime. Oddly, her suppositions begin to find correspondences in the real world, and the fog of mystery starts to fade into menacing certainty. As her investigation widens, strange dissonances accrue, perhaps associated with the darkness in her own past. We must face the prospect that there is either an innocent explanation for all this or a much more sinister one.