Officers find themselves pitted against a lone gunman holed up in a suburban home; the nerve of a rookie cop is tested when a routine stop on the highway goes horribly wrong.
A domestic dispute turns into a hostage situation with children's lives at stake; a vehicular accident turns into a multiple murder with armed killers on the run; a disturbance at a liquor store leaves an officer fighting for his life.
Two police officers respond to a domestic disturbance that ends in tragedy; a house fire turns into a murder investigation; the search for a known sex offender builds to a shocking conclusion.
A police officer tracks down an armed carjacker and comes under heavy fire; a stabbing in broad daylight forces the police to take decisive action; a routine traffic stop results in an officer being shot and fighting for his life.
A breakup turns deadly; a traffic stop puts a child's life at risk; a killer on the run leaves a state trooper fighting for his life.
A man with an AK-47 steals a police car and fires at police during a 16-mile citywide chase; a home invasion call escalates into something far more terrifying.
A dangerous felon steals a truck and rams everything in his path; on a freezing winter night, a lone officer is attacked by a crazed half naked man; at a county jail, a gunman fires at unarmed officers, leaving one fighting for his life.
A detective leads his heavily armed team on a search warrant but ends up in the firing line himself; a routine traffic stop turns violent as the suspect makes a risky getaway; a knife-wielding man draws police into a dangerous foot chase.
Police hunt for two suspects who are responsible for a string of armed robberies; an undercover cop foils a murder-for-hire plot; a known felon tries to force an officer off the road, stopping at nothing to escape arrest.
On New Year's Eve, a domestic dispute ends in tragedy when two deputies are trapped with a gun-wielding suspect; in Iowa, a high-speed pursuit escalates to a gruesome conclusion.
In Ohio a man shoots his ex. She flees and violence erupts when an officer finds him. In Utah police are called to a house where a mother and children have escaped a suspect armed with a machete. In California a therapist is attacked by a former patient.
In New York, a domestic disturbance takes a violent turn which changes a police chief's life; in Florida, an officer is separated from his K-9 while chasing two suspects; in Indiana, an officer stares down the barrel of a suspect's gun.
In Texas, police set a trap for a would-be killer; a high-speed chase leads police into a Florida swamp, where a police dog locates the suspect who now needs to be rescued.
Arkansas police stop a knifeman enraged over a midnight pot roast; in Delray Beach, Fla., officers must rescue two children teetering on a ledge with their mother who is high on drugs; in Utah, a trespasser attacks an officer with his own baton.
Arkansas officers are pinned down by a deadly gunman for four hours; after a high-speed chase of a stolen pick-up, Oklahoma City officers fear an ambush when a suspect bails; a naked driver waving a gun leads Wisconsin police to a dangerous standoff.
An Arizona mother triggers a desperate search for her son, who is armed and suicidal; an Ohio officer fights for his life when a suspect overpowers him; a Wisconsin man shoots his co-workers and police must find him to stop the threat.
In California police face off against a knife-wielding bodybuilder; a wanted criminal draws an officer into a brawl in a sex shop, and a fleeing suspect drives a car directly at officers to escape.
A suspected drug dealer in Georgia won't go down without a fight; police in Ohio fear for their lives when faced with an ambush from a hidden gunman; after a high-speed chase, a fleeing driver has one more surprise for Macomb County Deputies.