After rescuing two children, Josh's rage spills onto their father, who may have attempted to kill them. The new inspector challenges Josh's position on the team

The TRG is called out to a sports oval where a heavily-armed gunman shoots Stella, who is saved by her kevlar vest. When the gunman requests to meet with a senior officer, Lawson approaches him and finds he was actually a former weapons-master who intends on suicide-by-cop. The situation ends when, after trying to avoid shooting the man, Lawson is forced to shoot and kill the man when he pulls a handgun on him.

A criminal in custody escapes from the prison van he is being tranported in, and makes an audacious break for freedom. In doing so, he assaults Grace and takes a woman hostage. He then forces Josh to drive him around town before playing a little Russian Roulette. However, Josh is saved and the criminal is arrested

When a politician’s daughter and her school friend are kidnapped, the team is asked to run a covert operation to get the girls back safely. After it goes wrong, the team discovers the daughter and her friend set the ransom up, before they need to be saved from a lying con-artist.

Lawson is a part of a high speed chase involving a group of carjackers, Kerry is pulled over for drunk driving, and Josh, Grace and Michael are involved in a fatal car accident.

Lawson and Stella deal with a suicidal ex-footballer, Michael and Josh chase burglars through a series of complex tunnels, and Kerry is kept busy at the hospital where Dom and Grace are recovering. Grace unfortunately dies abruptly, while Connor confronts Josh after Grace revealed to him she was cheating on him with Josh.