In the 24th-season opener, undercover cops are held at gunpoint in Las Vegas. Also: Narcotics and a concealed weapon are found in a car in Tampa; and police in Lafayette, La., check out a suspicious car and make arrests for solicitation and prostitution.

A car pulls away from a known drug house and won't stop for police in Corpus Christi; an undercover cop's work leads to the arrests of two pimps and a prostitute in Las Vegas; an officer in Tampa witnesses a driver make several traffic violations.

The Boynton Beach, FL, Police Department conducts an undercover operation involving a woman who has allegedly hired a hit man to kill her husband. While posing as the hit man, an undercover officer has a candid conversation during which the woman details the situation. Following the conversation, the police department sets up a mock-crime scene so that when the suspect arrives home, she will think that her plan has been completed.

Police in Savannah find a recently released convict in possession of marijuana; officers in Sacramento County, Cal., assist in the pursuit of a domestic-violence suspect; a cop in Lafayette, La., pulls over a traffic violator who admits to taking drugs.

Police pursue a shooting suspect with two warrants in Hillsborough County, Fla.; in Corpus Christi, a patrol officer happens upon a woman with a warrant for terroristic threats, while fellow officers catch kids spray painting an electrical box.

The Lafayette Police Department in Louisiana responds to a disturbance call from a woman who said a man was threatening her with a gun. When police arrive, the suspect threatens the officers. Again, in Lafayette, the police department investigates a case where twin sisters allege that their other sister’s boyfriend choked her in a dispute over five dollars.

Officers of the Springfield, MO, Police Department respond to a DWI disturbance call in which a victim claims he was assaulted, but may have been the one doing the assaulting. Next, an officer of the Savannah-Chatham Metropolitan Police Department in Georgia stops a girl for jaywalking. As the officers question her, drugs fall out of her pocket.

A police officer in Des Moines, IA, performs a routine traffic stop on a vehicle registered to a person who doesn’t have a valid driver’s license. When the suspect fails to present ID, and then attempts to flee, officers tackle him and find marijuana in his possession. Then, officers of the Springfield Police Department in Springfield, MO, pull over a vehicle for running a stop sign. The driver admits to smoking marijuana, while a passenger is in possession of marijuana and mushrooms.

Spokane police must evict a homeless man from a store's handicapped parking spot and disperse a couple engaging in lewd behavior on a stranger's lawn; officers in Des Moines, Iowa, question a man who may have used a pocket knife to threaten someone.

A high-speed chase in Springfield, Mo., ends with police pulling people out of a burning car; a Spokane officer responds to a lewd-conduct call; a cop breaks up a violent altercation between a father and son in Corpus Christi

Spokane police chase a suspect by car and then on foot before making an arrest for theft and assault; a sheriff in Hillsborough County, Fla., deals with a domestic-abuse situation involving a BB gun; Corpus Christi police pull over a swerving vehicle.

An SUV flips over during a high-speed chase in Springfield, Mo.; a driver tries to eat his supply of marijuana before the police find it in Chattanooga; and a man threatens his wife and infant with a gun in Hillsborough County, Fla.

A suspect runs from a traffic stop in Las Vegas; police in Des Moines, Iowa, hear contradictory stories about a drug-related assault; a prostitution bust escalates in Spokane.

New Orleans police pursue a car with no license plates; a dispute between neighbors in Spokane County, Wash., results in a gun being fired; Las Vegas cops question a suspect about a stolen luxury vehicle and then find drugs on the suspect.

A Springfield, MO, police officer tasers a suspect and retrieves a stolen wallet after the subject makes a run for it at a traffic stop. Then, a man is arrested by an officer of the New Orleans, LA, Police Department for hiding thirty seven pieces of crack cocaine in his soda cup.

In New Orleans, a paranoid man who is high on drugs gets arrested on several charges and a hit-and-run suspect is found with artificial marijuana; in Alameda County, Cal., a large amount of marijuana is found in a vehicle's trunk.

A “shots fired” call leads two New Orleans policemen on a heated race;.officers take a couple into custody after finding drugs; an officer questions a male suspect involved in a domestic dispute.