Rush

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.

Lawson and Grace try to talk-down a troubled teenager when she threatens suicide, trapped on a rooftop with her young boyfriend.

Lawson, Stella and Michael respond to shots fired at a stadium where Stella is shot by the gunman. But more surprising is the fact that the gunman is Lawson's former mentor Charlie Thomas who appears to have a death wish. Elsewhere, Josh and Grace become close during the investigation of a domestic dispute.

A criminal in custody escapes from the prison van he is being transported 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.

When the TR team intercepts a known drug dealer, they discover that a robbery is about to take place, which then turns into a siege when the robbers take hostages.

Josh, Grace and Michael investigate a break-in at a high-security laboratory and find that all the research animals freed from their cages except one monkey which bites Michael. He is later advised that it has a virus that is fatal to most humans and must wait 20 days to see if he has any of the symptoms.

Whilst Conor is away Grace stays at Josh's apartment and her car is torched outside. She realizes she has no way of explaining how her car was where it was without revealing her affair with Josh. She distances herself from Josh as she tries to find out who caused the damage. Elsewhere, Michael and Stella go undercover at a huge party to recover a stolen weapon

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, Stella and Dom try to find out who is responsible for a series of carjackings. Josh, Grace and Michael are involved in a serious car collision whilst transporting Raelene, the mother of the men who trashed Grace's apartment and burned her car. Meanwhile, Grace's husband finds out about Grace's relationship with Josh. Elsewhere, Kerry is pulled over after being caught over the limit.

TR is called to a media centre, where a man has planted a number of paint bombs. They evacuate everyone safely before time runs out. But Dom senses that it's all too easy and realizes that a major bomb is left underneath the building. In trying to evacuate the car park Dom, Michael, Grace and Josh are caught up in the ensuing explosion. Meanwhile, Dom's wife goes into labor and gives birth.

Whilst hospitalized, Grace tells Connor that she loves Josh. Lawson and Stella deal with suicidal ex-footballer Snuffy Wells, and Josh and Michael monitor a mysterious burglary attempt that leads them on a chase through a complex network of underground tunnels. Michael tells Josh he has been accepted onto Special Operations Training - and is considering whether he will do it.

Lawson and the team search for Yuri, an armed man, and his son who goes on the run after seriously injuring his wife after an argument. Meanwhile, Josh goes to visit the bomber to get some answers as he struggles to keep it together after Grace's death. Elsewhere, Dom contemplates naming his newborn daughter Grace.

TR is given the responsibility of protecting an underworld figure, Bobby Lavilla, who is testifying in court. A decoy is used, with an actor playing the man, but it goes downhill after the actor is shot dead. Kerry and the team realize that there is an inside information leak. Subsequent unsuccessful attempts lead Kerry to work solely with Josh and find a unique way to protect Bobby.