This volume of Starfinder Adventure Path continues the Signal of Screams Adventure Path and includes:
"The Penumbra Protocol," a Starfinder adventure for 9th-level characters, by Jenny Jarzabski.
An exploration of the twilight-drenched city of Cuvacara on the tidally locked planet of Verces, by Jenny Jarzabski.
A look at the history and motivations of the Shadow Plane outsiders known as velstracs, by Isabelle Lee.
An archive of alien horrors, including a skin-harvesting, wormlike humanoid and a cruel fey exiled from the First World, by Jenny Jarzabski and James L. Sutter.
Statistics and deck plans for a corporate attack vessel, by Jenny Jarzabski, plus a glimpse at a fiery planet infested with devils, by Owen K.C. Stephens.