The secret time travel research group finally receives a message from a once-unreachable future. They scramble to save their work before the impending disaster whose nature they have just begun to glimpse. But is the messenger all that he seems to be?

This is the fifth story in the Retcon story mosaic, a series about a secret research program into time travel at Cornell University. This story, like all the rest, can be read independently of the others, although it is enriched by the larger context.