When Danny and his family are threatened by Thomas Wilder, a serial killer Danny has been unable to apprehend, Linda's concern intensifies over her husband's job as well as the state of their marriage. Also, Jamie challenges his superior officer, Sgt. William Mulvey, during a hostage situation.

Danny is interrogated by the District Attorney's investigator when his ex-partner is accused of planting evidence in order to wrap up a homicide case. Also, when radical anti-government activists threaten to publicly burn an American flag, Frank grapples with the limits of free speech.