With the assassination of the Victorian Police Minister, a special taskforce is set up, called Cicero, which includes TR and other forces, and Kerry is asked to head it up. She is forced by the new Minister, Anna Vargas, to take on a man named Charlie Lewis, and to make him the Senior Officer in Charge (SIO), even over Lawson. This causes tension between Lawson and Kerry. Meanwhile, Charlie wastes no time in throwing his weight around, firing Michael on the spot. Stella, Josh and Lawson all attempt to get him his job back, but it is revealed that Kerry was the one who wanted him gone in the first place.

Shannon is attacked in the streets at night, and begins to meltdown, which culminates in her letting the girlfriend of the hitman hired to kill the Minister, who TR needs to know who ordered the hit, go free because she is pregnant. And Leon hires his niece, Amber, as his new assistant, who simply needs the job for the money.

Kerry is furious that Shannon allowed Lexi to escape and orders her to attend a counselling session. What buried issues will be uncovered?^[7]

Conflicting agendas in the team bring simmering tensions to the boil. Best mates Lawson and Josh are up against new boss Charlie and their superior Kerry. Stella, Christian and Charlie help save the life of a journalist, whose reporting has got her into trouble.^[10]

Tactical Response take charge of Kerry's protection after she receives a death threat. Headstrong Kerry is dismissive of her own safety but when the threats are redirected to her son; her anger at the perpetrators can't be contained. Despite her attempts to hide her son, they still manage to track him down and take him, leaving her distraught.^[13]

Michael Sandrelli has been a busy man since being fired from TR. Thanks to the squad's head honcho Kerry, he's now undercover, and his job is to bring down a family of cocaine importers.

It's a race against time as Kerry fights political red tape, whilst the remaining members of TR do anything they can to get one of their team back safely.

Senior Constable Michael Sandrelli remains in intensive care whilst TR are left to pick up the pieces. Meanwhile, Shannon lets her emotional guard down.

A tragedy occurs in the tactical response team, leaving them struggling to face the day. Those left are forced to concentrate on the job at hand.

The team pursue the man they believe is responsible for Michael's death and Josh's disappearance. But the closer they get to him, the quicker he slips away.

Ridden by the guilt of letting a fellow TR member die on his watch, Josh has gone underground, working to his own agenda and leaving the task force to pick up the pieces.

Lawson and TR are on the trail of the 'Cuckoo', a Russian fugitive planning to unleash terrorist-like chaos across the Melbourne cityscape. Also, things get a little romantic for Shannon and Lawson.

Lawson, Christian and Shannon are sent to Fiji to extradite a known fugitive back to the country so that he can disarm the dirty bomb found in central Melbourne.