During a flight to South America, Captain Banks and his son Daryl crash land in the Peruvian jungle and eventually stumble across a shady lumbering operation run by a man named Reischer.

When Francisco Rivero, an ex-associate of Hector Carasco, kidnaps Carasco's daughter Maya and uses her as blackmail for the family fortune, Ellison and Sandburg join forces with her Uncle Gustavo to bring her safely home.

Sandburg becomes trapped between floors in a skyscraper elevator controlled by an extortionist, who threatens to send the elevator plummeting to its doom unless a hefty ransom is paid.

During the search for a kidnapped little girl, the skeptical Ellison and Sandburg receive help from Charlie Spring, a "psychic."

Ellison gets his fifteen minutes of fame when the police department invites TV producer Wendy Hawthorne and Conner, her cameraman, to do a piece on him for her show "True Crime."

Ellison and Sandburg are called in to investigate an attack on a prostitute named Amber Larkin.

Ellison and Sandburg get a chance to hone their driving skills when some high-end car thieves set up shop on the streets of Cascade.

Ellison and Sandburg trace the distribution of Golden, Cascade's trendy new drug, to a local dive where the narcotic wreaks havoc with Ellison's enhanced senses.

An arsonist burns down a furniture warehouse, and Ellison rescues an unconscious guard from the building.

Ellison and Sandburg spot a man, a mob accountant, who they thought was dead. When they try to catch up to him, he nearly runs them over escaping in his car.

A construction foreman is murdered at a racetrack under renovation, and his body is hidden in a pillar. Weeks later, Banks attends the opening of the racetrack with friends, and Ellison attends a police benefit at the track's turf club. During the benefit event, one of Banks' friends is pushed from the roof, and falls to his death in what looks to the partygoers to be a suicide.

The sole survivor of an Army plane crash in the Peruvian hinterlands, Jim Ellison subsisted for nearly two years on his raw animal instincts. When he returned to America and became a police lieutenant, Jim discovered that the abilities that had kept him alive in the jungle now gave him extraordinary senses of perception. With the help of Captain Simon Banks and a grad student Blair Sandburg, Jim now attempts to use these powers to apprehend a terrorist bomber called the Switchman.

Dawson Quinn, a cop-killing thief who stole five million dollars from the Federal Reserve that has never been found, is transported in an armored police vehicle through a stretch of forested wilderness by a team of cops assisted by Banks, Ellison and Sandburg.

When employees start dying "accidentally" aboard the North Star Five oilrig, Jim and Blair discover that their newest assignment has them walking a decidedly watery beat.

Ellison receives a phone call from old Army buddy Sam Holland, who asks for help.

A birthday party for Katrina, a young Russian woman, is interrupted by a vicious attack that claims the life of two men and ends with the theft of a mysterious black suitcase from the woman's boyfriend, Sergei. Ellison and Sandburg receive little cooperation from the witnesses, but Ellison's "Sentinel" intuition leads him to discover a gold neckchain worn by Sergei is, in fact, radioactive.

An armored truck explodes on a freeway overpass and rains hundred-dollar bills down into a ghetto neighborhood. Ellison and Sandburg investigate, but Marcus Watson, the sole witness, has vanished and no one in the ghetto is giving back the money they found.

Eight years ago: A 12-year-old girl named Stacey is woken in the middle of the night by her parents, who take her and flee their home. The family's car is run off the road, killing the parents and placing Stacey in a coma.

At an unrelated auto accident by the river, evidence surfaces which implicates Jim and his old partner, Jack Pendergrast, in a kidnapping/murder case from four years prior.

When Blair and Jim join Captain Banks at his 20-year high school reunion they discover more than just nostalgia awaiting them in the officer's hometown.

Ellison finds himself witness to the beginnings of an underworld war between the drug-running bikers of The Void and the local representatives of the deadly Japanese Yakuza.

Ellison and Sandburg are sent to a college campus to investigate the murder of Fred Turlock, a maintenance worker.

Ellison sees an undercover police detective named Brent Marten thrown to his death from a police helicopter. Ellison watches Banks and his men retrieve the body from the harbor, then learns the case has been placed under the jurisdiction of Internal Affairs investigator Sheila Irwin.

Jim and Blair are assigned to protect pop singer Angie Ferris from an obsessive, escaped convict named Jay Weston.

When a series of explosions level black churches throughout Cascade, Ellison, Sandburg and Captain Banks uncover the racist influences of the White Aryan Resistance (WAR) in their city.