From the introduction:
In this adventure the player characters discover a new threat, face strange beings banished to the stars in a previous age, and must race to stop a portal being created that will bring more monsters into the Dragon Empire.
This adventure is split into six two-hour sessions, for a total of 12 hours run-time. The adventure is designed for characters of levels 1 to 4.
This adventure is the first release for season 2 of the 13th Age organized play program.