Aboard a human city ship headed for Proxima b, shadows begin to haunt the sleeping passengers. An engineer commits suicide, and a psychotherapist finds that these apparitions feed on human guilt. The only way to survive is to master and confront the mounds of guilt that each human passenger carries inside herself.

A 597-year-old cop on a distant planet comes to terms with his instincts to run from his feelings rather than face them during the worst storm his civilization has ever seen.