When an Imperial listening station receives an enigmatic call for help from a farflung planet, a regiment of Tallarn Desert Raiders is sent to investigate. Pretty soon, the Imperial Guard find themselves locked in a desperate running battle with wave upon wave of tyranids. Is there any way they can ever triumph against such numberless alien hordes?

When an Imperial listening station receives an enigmatic call for help from a farflung planet, a regiment of Tallarn Desert Raiders is sent to investigate. Pretty soon, the Imperial Guard find themselves locked in a desperate running battle with wave upon wave of tyranids. Is there any way they can ever triumph against such numberless alien hordes?