By the 24th Century, intergalactic space travel has become a reality. One of the earliest outposts in the far reaches of space is WATCHER'S NEST—an inflation hole drive portal—which has recently come under attack by a mysterious force known simply as GHOUL... A group of young female cadets assigned to the portal are unexpectedly thrown into a hornet's nest of trouble as they finalize their training to become elite pilots in the Seraphim Squadron.