Trapped on the Shadow Plane, the heroes find their only
hope of returning home is to find and defeat Dr. Lestana Gragant, the twisted
scientist who is attempting to broadcast a maddening signal throughout the
galaxy. If the PCs can make their way past shadowy foes and terrifying
obstacles, they might be able to wash the stain of corruption from their
souls!
This volume of Starfinder Adventure Path
concludes the Signal of Screams Adventure Path and
includes:

• “Heart of Night,”
a Starfinder adventure for 11th-level characters, by Saif
Ansari.
• Advice on how you can continue your
campaign past the final encounter and details on the horrors to come should the
heroes fail, by Tracy Barnett.
• An
exploration of the creepy Shadow Plane, as well as numerous player options for
those connected to that plane, by Thurston
Hillman.
• An archive of alien frights,
including a memory-stealing fey and a faceless beast, by Saif Ansari, Stephen
Glicker, and James L. Sutter.
• Statistics
and deck plans for a velstrac starship, by Saif Ansari, plus a glimpse of a
world of waking dreams, by Owen K.C. Stephens.