"Rick Hayden and Laura Fanning of Panacea return, looking for the missing link. Rick's brother, Keith, a prominent zoologist at NYU, liquidated his assets, purged his research, and vanished, leaving no trace. Except for his resemblance to a man suspected of a homicide involving a nerve agent. The only clue is the mysterious death of an odd blue-eyed primate Keith brought back from East Africa. Rick and Laura's search takes them to an uncharted island...

Medical examiner Laura Henning has two charred corpses and no answers. Both bear a mysterious tattoo but exhibit no known cause of death. Their only connection is a string of puzzling miracle cures. Her preliminary investigation points to a cult that possesses the fabled panacea--the substance that can cure all ills--but everyone knows that's impossible. Or is it? Laura finds herself enmeshed in an ancient conflict between the secretive keepers of...