After two years at the St. Louis U.S. Marshals Office, Casey Sloane is tasked with escorting a reporter to Washington to testify before a grand jury. The reporter's research on an up-and-coming environmentalist who suddenly disappeared is now even more vital than anticipated. At first, Casey's assignment seems routine. But a dangerous attack on the Marshal office puts everyone on high alert. When Casey and two other Marshals--one a man from her past--are...

Four years ago Kate O'Brien and her twin sister were attacked by a serial killer. Only Kate survived, and it was her drawing of the attacker-- along with last-minute evidence-- that convicted the suspect. She's been in witness protection ever since. When new evidence suggests the convicted man isn't the murderer, Kate is subpoenaed to testify in the new trial. Deputy U.S. Marshal Tony DeLuca accepts the assignment to bring Kate to the trial, remembering...