"Watch out for the Hidden Things..." That's the last thing Calliope Jenkin's best friend and former lover says to her before ending a 2 A.M. phone call from Iowa, where he's investigating a case she knows little about. Five hours later, she gets another call, this time from the police. Josh has been found dead; foul play is suspected. Calliope is stunned. Especially when Josh leaves a message on her phone a few hours later. Spurred by grief and suspicion, she heads to Iowa herself, accompani ...