For elven pathfinder Varian Jeggare and his devil-blooded assistant Radovan, things are rarely as they seem. Yet not even the notorious crime-solving duo is prepared for what they find when a search for a missing pathfinder takes them into the mist-shrouded mountains of gothic Ustalav.

In the foreboding north, the demonic hordes of the magic-twisted hellscape known as the Worldwound encroach upon the southern kingdoms of Golarion. Their latest escalation embroils a preternaturally handsome and coolly charismatic swindler named Gad, who decides to assemble a team of thieves, cutthroats, and con men to take the fight into the demon lands and strike directly at the fiendish leader responsible for the latest raids - the demon Yath, the Shimmering Putrescence.

On a mysterious errand for the Pathfinder Society, Count Varian Jeggare and his hellspawn bodyguard, Radovan, journey to the distant land of Tian Xia. When disaster forces him to take shelter in a warrior monastery, "Brother" Jeggare finds himself competing with the disciples of Dragon Temple as he unravels a royal mystery. Meanwhile, Radovan - trapped in the body of a devil - must serve a twisted master by defeating the land's deadliest champions and learning the secret of slaying an immortal.

The race is on to free Lord Stelan from the grip of a wasting curse, and only his old, half-elf mercenary companion Elyana has the wisdom - and swordcraft - to solve the mystery of his tormentor and free her old friend before three days have passed and the illness takes its course.

Mirian Raas comes from a long line of salvagers, adventurers who use magic to dive for sunken ships off the coast of tropical Sargava. When her father dies, Mirian has to take over his last job: a dangerous expedition into deep jungle pools, helping a tribe of lizardfolk reclaim the lost treasures of their people.