In the series opener, the crime-fighting Hemisphere Emergency Action Team, H.E.A.T., receives an assignment to provide security at a counterterrorism summit, but its efforts are jeopardized by the wife of a prince.

The team discovers that Strake, who was thought to be dead, is behind the kidnapping.

The team is given the mother of all assignments: protect honeymooning Gulf War hero Alex Lassiter without the commander's knowledge.

Ashley and Mike and Brett and Cat, pose as newlyweds at an island resort owned by a man suspected of contaminating the waters.

Mike's suspicions of Ashley's friend Sergio Lanti are well founded: Lanti abducts her and makes her a captive in a white-slavery ring.

H.E.A.T. travels to Colombia to stop Ashley's rival from assassinating the judge who's prosecuting a drug kingpin.

At a karate competition, Tommy goes undercover as a coach to protect the son of an influential member of the C-5.

Mike's former colleague heads security at an exhibition of a Leonardo da Vinci that H.E.A.T. suspects is targeted for theft by a neo-Nazi.

Cat infiltrates a drug cartel run by former KGB agents to investigate the disappearance of a UN employee who may have joined the ring.

Brett poses as the son of an industrialist to stop a kidnapping ring.

Trailing a scientist suspected of developing biological weapons, the team stumbles onto part of his research, a man whose body's being genetically altered.

Vacationers assist the H.E.A.T. in an effort to find the doctor who's running a black-market baby ring.

The H.E.A.T. goes undercover at a rest home for former agents to find the one who's leaking information about a spy working in Russia.

The H.E.A.T. must identify the person sent to assassinate a Chinese dissident from a group of 146 guests at a resort hotel.

Mike is framed for murder, kidnapped and held for ransom by a terrorist whose brother he captured and sent to prison.

A detective and a letter addressed to Ashley from a boyfriend thought to be dead complicate an investigation into an illegal arms ring.

Stranded on a desert island, Cat, Krissie, Marcos and Tommy encounter a reclusive Vietnam veteran who believes that they are enemy soldiers.

Mike suspects that a high-school buddy, now linked with a terrorist group, may be planning an attack on politicians attending a free-trade conference in Mexico.

The H.E.A.T. guards a former KGB agent attending a chess match, but the game may be up when the team's nemesis returns to assassinate the Russian.

Mike and Ashley match wits with Strake, who demands Sokol in return for Krissie.

Cat bristles when the deep-sea diver she and Brett are assigned to protect refuses to allow her on an expedition.

When Mike is shot, Ashley immediately suspects Neil Strake. But there's one problem -- Strake's being held in a high-security facility in Mexico.

The team is restructured and given a tough assignment: find a criminal who stole a warehouse full of art.

The newly re-formed H.E.A.T. bands together to cage The Raven.

The H.E.A.T. searches for a religious icon rumored to have mystical powers, which is also being sought by a dangerous extremist group.

The team is hired to recover stolen gold in Puerto Vallarta, and ends up dealing with competing factions who are also looking for it.

A young woman asks the team for asylum in exchange for information about a terrorist.

A man asks the team to look for his missing nephew, but Tommy's search on a private island leads to his own kidnapping.

A mob boss calls a contract on the people connected with a car accident that killed his son.

A peace activist starting his own republic may be robbing banks to finance his venture.

A payment turns out to be in phony money, spurring the gang to take on a counterfeiting ring.

Cat poses as the wife of a visiting dignitary to prevent a kidnapping.

A mafioso wants to turn himself in to the authorities and give the reward to his daughter as a wedding present, so he hires the team to protect him from a rival mob.

The team investigates the car-bombing murder of the president of a Caribbean island.

A psychic hires the team to find her brother, whom she suspects is in El Salvador.

The sister of a kidnap victim hires the H.E.A.T. team to investigate a possible white-slavery ring.

A widow needs the team to prove her husband is really dead and not faking it, but their investigation reveals that the man has several other grieving wives.

The murder of a soldier and a string of arms thefts leads an army colonel to hire the team to secretly investigate the crimes.

A film director hires the H.E.A.T. team to investigate a series of accidents that occurred on the set.

Doctors learn that the blood of a wounded criminal could save the lives of sick children, but the man escapes before they can collect it from him.

The H.E.A.T. team is asked to provide security for a supposedly peaceable cult, but Johanna is drawn to the organization. Then her companions learn the cult's real purpose.

A former H.E.A.T. member enlists Nicole and the team to save his fiancée after she's kidnapped by her own father, a powerful senator opposed to the impending nuptials.

Cat urges her cohorts into action after she witnesses the death of a drug dealer and uncovers a mysterious conspiracy of silence on behalf of the proper officials.

A female D.E.A. agent helps the team bust a ring of drug smugglers supplying illegal steroids to athletes after Tommy's karate opponent dies during a match.

The team tries to rescue a millionaire's niece who was abducted by a South American drug czar, but it seems she may not want to be saved.

Hired by a tennis star to track down his missing prosthetic limb, the team stumbles upon a counterfeiting ring that needs the contents of the athlete's appendage.

The team springs into action after an embittered ex-CIA operative seizes control of a commercial flight.

In the series finale, through a series of flashbacks and clips, the team members recall their most daring rescues.