"Pass Christian, Mississippi, 1980: It is three in the morning when Bobby Western zips up the jacket of his wet suit and plunges from a Coast Guard tender into darkness. His dive light illuminates the sunken jet, nine bodies still buckled in their seats, hair floating, eyes devoid of speculation. Missing from the crash site are the pilot's flight bag, the plane's black box, and the tenth passenger. But how? A collateral witness to machinations that...

The mousy University of Pennsylvania assistant law professor Natalie "Nat" Greco, finds herself in way over her head when an unintended visit to a minimum-security prison in nearby Chester County puts her in the middle of a deadly uprising -- and places her at the center of an elaborate plot that involves an incarcerated crime boss and more than a few improbable conspirators. Greco's classes at Penn Law -- the History of Justice, for example -- aren't...

Audrey and Morgan are best friends who unwittingly become entangled in an international conspiracy when one of the women discovers the boyfriend who dumped her was actually a spy.