Finders Keepers (A Cpl. M. J. Robeson Story‪)‬

Cpl. M. J. Robeson of the United Earth Systems Marines comes to in her quarters aboard the starship Alliance and discovers that she is the only member of the crew conscious while a lone unidentified intruder has invaded the ship. A brutal cat-and-mouse battle ensues between Robeson and the intruder for control over the starship, with the fate of hundreds of Robeson's crewmates hanging in the balance.