Dutch braces herself for a final confrontation in greenspace in an attempt to stop The Lady from breaking through into the Quad and the rest of the universe. Back in the Quad and buried in her work, Zeph makes a horrifying discovery of a threat to all of Westerley.
Killjoys follows a trio of hard-living bounty hunters - Dutch, John, and D'avin - taking on interplanetary missions, chasing and capturing deadly criminals throughout a distant system named the Quad. They have sworn amongst themselves to remain neutral during a bloody, multi-planetary class war that threatens to destroy the Quad. However, their own pasts and the events around them begin to draw them in deeper to this dangerous vortex of war.