When a hospital is the target of a bombing attack, the VCTF is called in to investigate. They are dealing with a highly skilled explosives expert who obviously has an agenda in mind. Bailey summons Cooper to Atlanta to assist with the case. His return is awkward for he and Sam as they have previously ended their romantic relationship. With Frances finally in custody, Bailey must deal with her legal problems as the prosecutor sees her case as a stepping stone for political office and is determined to see her do jail time for shooting her father and fleeing prosecution. Meanwhile, George also faces difficulties as he continues to be pressured by an old acquaintance to embezzle funds from a local bank. This "pressure" becomes threats of violence when the guy's muscle, the mysterious Marcus Peyton, whom turns out to be an undercover policeman. Coop manages to capture the bomber, only to be abducted by Jack and killed by his lethal companion, Jill, whom are impersonating ambulance workers.