Nearing the end of his training, Nolan now faces his biggest challenge as a police officer yet when he must come to terms with the choices he has made in pursuit of the truth.

Officer John Nolan and Officer Nyla Harper are assigned to a community policing center to help rebuild their station’s reputation in the community. Nolan is determined to make a positive impact but Nyla has her doubts.

Officer John Nolan's mom makes an unannounced visit that complicates his life, and Sergeant Grey considers retiring.

Officer Jackson West’s relationship with his new training officer, Stanton, has escalated and he begins to work with Sergeant Grey to find a solution.

Officer Nolan is taken hostage by a man with nothing to lose while the station goes on lockdown and races to identify the suspect before time runs out. Meanwhile, Officer Jackson and his training officer, Officer Doug Stanton, reach a tipping point in their relationship that could end Jackson’s career.

Nolans beslut att återvända till skolbänken för att klättra på karriärstegen visar sig blir svårare än vad han föreställt sig. Samtidigt funderar Chen på att gå undercover när Harpers tidigare kollega behöver hjälp.

Teamet analyserar ett häpnadsväckande fall där en före detta barnskådespelare blivit något av ett kultfenomen, med väldigt trogna följare.

Sonen till en domare blir kidnappad och Nolan, Harper och Lopez får fallet på sitt bord. Det blir en tuff nöt att knäcka då listan på potentiella gärningspersoner kan göras lång.

An Amber Alert sends the team on a race against time to find a newborn infant who was stolen from a local hospital. Meanwhile, Officers Jackson and Chen work their last shift as rookies as Officer Nolan continues on for 30 more days.

When professor Fiona Ryan’s car window is smashed following a series of mysterious notes, Nolan volunteers to guard her house overnight. Lucy notices that Tim is being much nicer to his new boot than he was with her and she does not like it.

After rushing his son, Henry, to the hospital following his collapse, Nolan is reunited with his ex-wife, Sarah, and they must come together to help their son. Meanwhile, Detective Lopez discovers “La Fiera” is in the same hospital and wants to find out exactly why.

Nolan och Bradford hoppas att de kan de-eskalera ett drogkrig innan oskyldiga liv offras.

Nolan skadar sig i jakten på en snattare, och åklagaren vill åtala snattaren för överfall.