Christopher Chance is a man who seems to get his thrills on protecting people from all walks of life. In the opener, he takes a case where he needs to protect a mechanical engineer who designed California's first bullet train, capable of reaching speeds up to two hundred miles an hour.
Chance races against time and crashes a black-tie affair at the Russian Embassy to find a friend's killer. As he becomes embroiled in an international arms deal, he meets his match in a beautiful female counterpart .
Chance has to rescue a man who is being held against his will by the company, he works for,a defense contractor, because he want to reveal that the company gave one of their weapons to a country that's an enemy of the United States. All he has to do is break into a secured building, which he does but. But when his exit strategy is foiled he and the guy have to get out the hard way, with the company's entire security force after them. Winston and Guerrerro have to find a way to get the Feds involved but unfortunately they want more proof.
A English anthropologist accidentally discovers a lost, stolen treasure. Chance tries to rescue the man who is now the target of a South American army and a deadly bounty hunter. In the process, Chance reunites with a fiery former flame.
Chance's past comes into focus when he recruits FBI Agent Emma Barnes to help him stop his former partner from assassinating a visiting foreign dignitary. Meanwhile, Guerrero tests out a familiar face as a new recruit to the team.
A boxer is hiding after refusing to lose a fight for gambling baron Hugh Prentiss. Chance gets common enemy mob lord Tony Belvilacqua to fiance a sting, setting up himself as rising start Grant Stanton, promising to make Prentiss lose his entire fortune. The team is worried sick about how hard it is on Chance psychologically, despite markers and bribery, while a killed boxer's daughter Eva Khan, 'inherited' by Prentiss, is the game's wildcard.
Six month after the liberation of Winston, who was kidnapped and tortured to force him help bank-robbers, Chance still lives in Nepal, where he came to clear his mind. Ilsa, the widow of billionaire philanthropist Pucci, who recently died in a helicopter crash, is convinced it was murder and hires Chance. The team is reassembled and has to make her bait at the Pucci philanthropic foundation's annual grand benefit. There the opponents surprise the team, stealing and kidnapping. Chance however follows them to Switzerland, where all threads come together. Finally, a ...
Donnelly, Chance's boss in his hit-man days, tips him off that there is a contract on Rebecca Brooks, economy professor like her late husband Daniel, whom Chance killed, with a top-assassin. He accepts out of guilt to protect her. Winston has to explain things to widow Pucci, why trying to work out how her expensive new equipment works. Guerrero is not amused with unruly greenhorn Ames' meddling, even when he's locating and terrifying an intermediary lawyer. It soon becomes clear the late Daniel's research is the real target, Rebecca's wrath the worst complication.
Chance was right to watch what Ames gets up to in her 'spare time': stealing explosives from an industrial plant with her foster days buddy Brody Rivera, an incurable rascal who just got out of jail. Warned it's more then her job is worth, she still plays along when Brody accepts for both of them to partake in redoubtable crime lord Andre Markus's latest robbery plan, three historic diamonds in a museum exhibition. Guerrero gets a caught hired cahoot to betray enough for Chance to take his place undercover. Only on the spot he discovers he was hired as 'cleaner', and ...
Winston is hell-bent on the team taking the case of an amnesiac John Doe, whom they call J.D., as he's threatened by a motor gang hired by dirty SFPD lieutenant Broward, who wrecked his own police career 8 years ago. As the investigation progresses, it becomes clear JD was a criminal himself and a coward, but he's the only way to hit Broward where it really hurts, his Caribean bribes and blackmail fruits bank accountant.
Richard Applebaum hires the team for protection, believing he and his family are under attack since he anonymously tipped off the FAD about his company's dodgy research practices. It turns out the superior Richard suspected only barks. Son Joel however, whom Ames was assigned to, made his own enemies after overreacting to a zombie game. Meanwhile Chance and Pucci learn to deal with their aversion from Christmas.