In Wisconsin, a terrified woman wakes up in her car and finds it's been stolen by a thief, sparking a high-speed police pursuit; a home invasion in Utah turns into a fire rescue, when a man sets the house alight with the residents still inside.

In California, an argument in a bar leads to a deadly hostage situation. In New Mexico, a shoplifter unexpectedly fires upon an officer before going on the run. In Wisconsin, a suspect disappears into the frozen wilderness after flipping his car.

In Colorado, 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 Iowa, a dangerous felon steals a truck and rams everything in his path; in Iowa, on a freezing winter night, a lone officer is attacked by a crazed half naked man; in California, at a county jail, a gunman fires at unarmed officers, leaving one fighting for his life.

Armed bank robbers are brazenly determined to avoid prison at any cost.

A new cop's career may be over before it begins when a stop turns deadly.

In Georgia, two police officers respond to a domestic disturbance that ends in tragedy; in New York, a house fire turns into a murder investigation; in Oklahoma, the search for a known sex offender builds to a shocking conclusion.

In Ohio, a breakup turns deadly; in Texas, a traffic stop puts a child's life at risk; in Oregon, a killer on the run leaves a state trooper fighting for his life.

In Albuquerque NM, a man with an AK-47 steals a police car and fires at police during a 16-mile citywide chase; in Iowa, a home invasion call escalates into something far more terrifying.

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.

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.

An SUV careens into a house, causing an earthshattering explosion.

In Wisconsin, Rhinelander PD attempts to foil a murder for hire by going undecover and meeting the suspect as a hitman. In Colorado, law enforcement from two counties tries to stop a runaway semi-truck before it devastates the little town of Brush.

A suspect swims for freedom, leading cops on a hunt through the mangroves.

In Florida, a domestic dispute turns into a hostage situation with children's lives at stake; in Virginia, a vehicular accident turns into a multiple murder with armed killers on the run; in South Carolina, a disturbance at a liquor store leaves an officer fighting for his life.

In Ohio, a police officer tracks down an armed carjacker and comes under heavy fire; in Washington, a stabbing in broad daylight forces the police to take decisive action; in Georgia, a routine traffic stop results in an officer being shot and fighting for his life.

Police pursue a father & son. An officer joins the chase and his life changes when he comes face to face with the armed suspects. In Ohio, a man threatens himself and his family. An officer negotiates over a video call, leading to a stand-off.

A deputy races to a house fire intent on saving the woman trapped inside.

In Ohio, officers respond when a man brandishes a knife in a store; in Georgia, police launch a manhunt after a suspect escapes in his truck, leaving an officer down.

Police race to an armed robbery and face a hail of shotgun pellets; a gas explosion lifts the roof off an apartment building, engulfing officers in a fireball; in Georgia, a man fights for his life in a wrecked SUV.

In Georgia, police hunt for two suspects who are responsible for a string of armed robberies; in Texas, an undercover cop foils a murder-for-hire plot; in Oklahoma, a known felon tries to force an officer off the road, stopping at nothing to escape arrest.

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 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 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.

SWAT is on the scene to temper a life-threatening domestic stand-off.