Alyssa is down on her luck, and needs to do something to turn herself around. She's been led to the less-than-glamorous vocation of maintenance on dangerous satellite upkeep space missions, a job that will eventually cost her health and her life. She's got a secret that she hopes will help herself and countless other people, but first she must navigate the trials and tribulations of spacecraft life.

The Sunward Sky is the ship she boards on her first assignment, but during an unscheduled delay before takeoff she sees something unusual in the terminal...