The entire city is in the dark after a power failure.

Robbers send false alarms to the police to lead them away from the real crime scene.

A series of burglaries with no apparent point of entry mystifies Doyle and Grant.

Convenience stores are robbed and deadly treats are handed out on Halloween.

A rapist bumps cars then attacks the drivers.

A sociopath uses an LAPD uniform to get into homes.

Doyle arrests an old friend, an animal-rights activist.

Thieves attack wedding guests.

A traffic stop uncovers an arms dealer's car.

A thief assaults mail carriers.

Pimps lure girls who arrive in the city.

A robber douses victims with nitric acid.

Grant deals with guilt after shooting a man.

A candidate stirs up racial hatred.

A drunken man loses his car and his baby.

Phone booths are booby-trapped.

An officer with AIDS takes risks.

A drive-by shooting wrecks cars.

A private hospital rejects an injured indigent.

An old lady eats in a market; a woman battles pushers.

A rape victim tries to put her life back together.

The officers search for a missing 5-year-old.

A dealer smuggles aliens and crack.

Violent customers beat prostitutes.

An officer starts his own anti-drug crusade.

A boxer is drawn back into gang violence.