On a wet Monday in January, Jess Mount receives the devastating news that she hasn't got long left to live. She doesn't hear it from a doctor, though. She discovers it when her Facebook timeline skips forward eighteen months and friends and family start posting tributes to her, following her death in a terrible and mysterious accident.
At first, Jess thinks this must be a sick joke by a colleague jealous of her handsome new boyfriend. But as the posts continue and it becomes clear that no one else can see what she can, Jess is forced to confront that her impending death might be all too real . . .