Christopher Chance is hired to protect the female engineer of California’s first bullet train, but trouble quickly emerges when people aboard the train want her dead, using old-fashioned poison in drinks and machine guns. When Chance meets the bad guy face-to-face, a full-throttle fight starts between them, and they may all be killed when it turns out the train is on collision course.
Chance is hired to protect a anonymous computer hacker, who may be holding potentially devastating information during a flight to Seattle. Chance, with the cover of an insurance selling passenger, doesn't want to do the mission on his own, and convinces Winston into going with him, who grudgingly accepts the job of flight attendant. But not only do they have to protect the client during the flight, they also need to rescue the entire plane filled with passengers when a fire inside the plane causes it to lose control and possibly crash.
When an old friend tracking a spy dies from poison, Chance continues the man's mission. To find the spy, who is selling a stolen weapon prototype, Chance has to go into the Russian embassy and crash a reception. However, the search becomes a race against time when Chance discovers that he's been poisoned... and he needs a female FBI agent's help to find the spy.
Chance must protect a reformed thief being chased by his former accomplices as they try to retrieve religious artifacts that have been stashed in a Canadian monastery. Meanwhile, Guerrero accepts an assignment... against Chance.
An assistant district attorney hires Chance when she is targeted by crooked cops due to her investigation into organized crime.
When a weapons developer's invention is misused, the company confines him to their maximum-security high-rise. The developer's father hires Chance to infiltrate the building and rescue his son.
An old girlfriend and revolutionary leader calls in Chance to rescue an anthropologist who has stumbled across a fortune in gold bullion. But an international "salvage & reclamation" expert wants the gold for himself, and will go to any lengths to get it.
Chance tries to stop an assassin, Baptiste, who is targeting foreign dignitaries, and must turn to FBI Agent Emma Barnes for assistance. He has to reveal that he is the one who trained Baptiste. Meanwhile, Guerrero and Winston bring in a new teammate with ties to a past case.
In Brussels, Chance must enter the ring as a world-class tournament fighter to bail out a fighter who messed up a ruthless businessman's crooked fight scheme. What Chance doesn't count on is the businessman's attractive oddsmaker, the daughter of a former champ in Vienna who is trapped under the man's thumb.
When a corporation shuts down the investigation of a mining foreman at a remote Alaskan installation, Chance is called in to rescue a doctor who insists on investigating the death.
An old friend calls in Chance to protect the Princess of Wales, the target of assassins who want to stop her from marrying an American commoner.
An enemy from Chance's past takes Chance, Guerrero, and Winston prisoner and demands to know what happened to a book, a book connected to the case where Chance abandoned his mentor and struck off on his own as a white knight.
After Christopher rescues Winston, he goes into retirement. However, the wife of a dead philanthropist seeks him out and persuades him to protect her from the men who killed her husband. Meanwhile, Winston and Guerrero deal with a beautiful young thief who will do anything for money.
One of Christopher's old contacts tells him that the wife of a man he killed is being stalked by an assassin. Christopher must protect the woman without letting her know that he killed her husband. Meanwhile, Ames tries to bond with Guerrero.
Ames tries to help out a childhood friend, a demolitions expert, and has no choice but to help him pull off a diamond heist for a ruthless criminal mastermind. She goes to Chance for help, and he has to go undercover as a member of the gang over Ilsa's objections.
To rescue a journalist friend of Ilsa's from a South American warlord, Chance must turn to the one man he can't trust for help: Baptiste, former friend and current assassin, who is languishing in a Siberian prison. Meanwhile, Ilsa goes on her first assignment as a field operative.
An unknown client hires the agency to protect him, but is caught in an explosion and suffers from amnesia. When a crooked cop from Winston's past shows up looking for the man, Winston resolves to find out what's going on... and must turn to his ex-wife Michelle for help.
The team is hired to protect a nice, normal suburban family who are the targets of mysterious killers. All Chance and the others have to do is figure out who wants the family dead... and they go undercover in suburbia to find out.
Maria Gallego returns to ask chance to help rescue a South American activist who has been locked up as a dictator. Unfortunately, Maria left one thing out; the activist is her husband.
Chance and Ilsa are trapped in the jungles of South America as a man seeking revenge goes after Chance. Meanwhile, a hapless private detective leads the Armenian Mob to the team's office, and Guerrero and Winston have to settle their differences.
Ilsa's sister-in-law Connie Pucci arrives to assess the agency, and discover if Ilsa has lost sight of the Foundation's mission. However, their night at the opera turns hazardous when terrorists take everyone hostage. Chance and Guerrero work from the inside to free the prisoners, while Winston works with the FBI, but it soon becomes clear the terrorists want more than a ransom.
Guerrero comes to the aid of a childhood friend, but is framed for the man's death and sent to prison. When Winston and Chance come to help, they want him to stay in jail so they can clear his name, but he's not happy with the idea. Meanwhile, Ilsa and Ames learn what Guerrero does on his time off.
A satellite weather programmer hires the team to protect him from an assassin, but they quickly discover that his wife is the one responsible. Meanwhile, Ames and Ilsa make a trip to Vegas.
A security company CEO's fiancée comes to the agency, and they need to steal a critical file from the man to ensure her safety. However, when Ilsa insists on going on the mission, things go bad and Chance soon finds himself sitting in a bar atop a pack of explosives... and private eye Harry is his only hope of rescue.
Marshall's mistress turns up and asks the agency for protection against the men who killed Ilsa's husband... and want the evidence he gathered against them before they eliminated him.