Christopher Chance is hired to protect the engineer of California's first bullet train as it makes its maiden voyage from Los Angeles to San Francisco.

Chance is hired to protect a district attorney who is running from her family's past and marked for murder because of her investigation into an organized crime family.

Chance reunites with a fiery former flame when he is called to South America to rescue an archeologist whose discovery of a lost treasure makes him the target of a South American army and a deadly bounty hunter.

When Chance's former boss makes a move to bring him back into the fold, flashbacks reveal the events that lead to Chance, Winston and Guerrero's unlikely partnership.

When Ilsa's friend is held hostage, Chance must turn to the only person he knows has information to help rescue her: his archenemy Baptiste, who is currently banished to a Russian prison.

Winston, Guerrero and Ames must save an inept private investigator when he blows his case making him a target.

Winston, Guerrero and Ames must save a bumbling private investigator whose botched case has him targeted for death.

Chance is reunited with Harry when he is hired to protect the girlfriend of a rival security agency owner. Meanwhile, Ilsa must go into the field on a mission for the first time, and two team members get closer than ever.