Re: Hospital Policy Regarding Unauthorized Early Retirement of Nurses. As the hospital ship drifts deeper into the misty corridors of the sprawling dark nebula, mysterious occurrences threaten the sanity and very lives of the crew, not to mention a precarious relationship or two. Investigation uncovers more than one skeletal revelation in long forgotten cupboards, with assurances of more to follow. Some must face their sorted past. Others their murky future. None are safe.