After a major accident, John Nolan looks for a new start by joining the LAPD. He's met by skepticism and accusations of going through a midlife crisis.
The team deals with the aftermath of a terrorist attack. But overcoming one terrorist threat is only the beginning since the rookies have now passed their midterm exams and are onto the next chapter of their lives as full-blown cops.
In the third part, as the training nears its end, Nolan faces his greatest challenge as a police officer when he has to deal with matters during his search for the truth. Nolan and Harper are assigned to a police station in an attempt to rebuild the station's reputation.
In season 4, after Lopez is abducted, Nolan and a group of officers attempt to save her. Wesley has to deal with a difficult task, while Nolan has to make a decision regarding his future with Bailey.
The events of the fifth season revolve around Officer John Nolan continuing his work to uncover serious criminal cases with the help of Officer Celina, who recently joined the team. However, the team is exposed to many dangerous situations while investigating these crimes.
After his past military secrets become public in the sixth season, Tim and Lucy part ways. Monica Stevens, a violent criminal lawyer who acts as an information broker, shows up as Nolan and Bailey consider raising a family after marriage.
Despite being twenty years younger than his colleagues, John Nolan maintains his career with the LAPD by using his knowledge, tenacity, and sense of humor to stay up-to-date. As he recovers from a gunshot wound that serves as a reminder of the consequences of growing older, he and his crew continue...Read more to pursue two extremely dangerous escapees.