In the wake of a museum gala shooting spree, the SRU's actions and judgments are called into question; however, the investigator seems to be focusing on Sgt. Parker in particular.

Team One is out to capture a man for the murder of his daughter after escaping from a transport van for prisoners.

Team One arrives on the scene of a bank robbery where a man claiming to be Roger Finch has turned to desperate measures after trying to withdraw $40,000 from his account. But the case is not so simple: the Team discovers the bank robber is actually Garth Scarrow (J.D. Nicholsen), and the real Roger Finch (Hamish McEwan) has gone missing. Finch has been kidnapped by the bank robber’s daughter, Ava (Erin Karpluk) and her husband Mark (Warren Christie). But it's not his money they're after. As Finch's secret past comes to light, the couple leads the Team to a hospital showdown. Roger Finch holds the key to a child's life... and Ava and Mark will stop at nothing to save their son.

The Team receives an urgent call from Jules (Amy Jo Johnson) on her day off – she and her date Steve are trapped in a restaurant with a gunman (Aaron Poole) who’s shot a waiter and is now holding hostages and making incoherent demands. Team One works with Jules on the inside, fighting to calm the gunman down before the waiter dies, but its clear there’s more to this simple hostage-taking. Team One discovers that this delusional man is merely a pawn in a much more horrific act of terror, targeting a local mosque.

Spike (Sergio Di Zio) discovers his former mentor may be implicated in a tangled case involving corruption, drug dealers and an attempted gang execution.

Complications arise in a high-risk SRU raid when an informant gets caught in a dangerous game of love, murder and betrayal.

Team One grapples with life and death choices and tough decisions that leave viewers wondering if the team will ever be the same again. Dr. Larry Toth (guest star Victor Garber), a military psychologist and ‘team-breaker’, peers inside the heads of Team One individually, exposing deep secrets and faults. With the fate of the Team hanging in the balance, Ed’s (Hugh Dillon) wife Sophie (Janaya Stephens) goes into labour, Parker’s (Enrico Colantoni) leadership is questioned, Spike (Sergio Di Zio) and Wordy (Michael Cram) stare down the barrel of a life outside the SRU, and Sam (David Paetkau) and Jules (Amy Jo Johnson) must confront whether they’re willing to give up the job for each other. As Parker waits to hear the fate of his team, a devastating call comes into the station, involving one of his own.

Maggie Perrello was the perfect mother until an addiction to prescription meds spiraled out of control. It cost Maggie a stint in jail, and the loss of her beloved daughters Becky and Riley into foster care. Now she’s out of jail, clean and sober, and yearns to bring her children home. When Maggie discovers that she can’t have her kids back, she turns desperate and kidnaps Becky and Riley. Team One answers the call. But when an unexpected complication threatens Becky’s safety, will Parker (Enrico Colantoni) be able to convince Maggie to make the ultimate sacrifice?

Team One must resolve a standoff at a seedy motel with a fugitive who has shot two police officers and taken a teenager, Paul Wilder, hostage. At first, Paul seems like a good kid in a bad situation, but as the team digs deeper it uncovers chilling secrets that reveal Paul is far from innocent. What began as a standoff ends as a desperate chase through the city’s sewer system, and it’s up to Parker to stop Paul from making a mistake that will change him forever. Meanwhile, Ed discovers that his cop brother Roy might have been responsible for one of the officers getting shot … and that his wife is, unexpectedly, expecting.

Two Brothers become involved with a white supremacy group planning a terrorist attack.

A high school athlete threatens suicide after being kidnapped and beaten.

While investigating a shots fired call in an upscale neighborhood, the SRU team encounters a group of gun runners. Among them, Ed's brother.

On the trail of a serial killer, Team One must convince a haunted, frightened man to reveal his darkest secret to save the life of an innocent woman.

The SRU team attempts to stop a vigilante who is out for blood.

Team One tracks a masked gunman terrorizing a group of teenagers – and discovers troubling connections between an outspoken gay student, a manipulative therapist, and a young man desperate to win back his parents.

The SRU respond when a distraught man takes a lawyer at gunpoint.

After hearing on the radio that a talk show host is holding a prominent politician hostage, seeking revenge for a murder he thinks the man committed years ago, the SRU team races to the station to talk the host out of killing him on the air.

When a ransom drop goes wrong, Team One is drawn into the dangerous world of “express kidnapping” and the nightmare of a woman haunted by the brutal experience of captivity. Meanwhile, Greg finds out about Sam and Jules' secretly renewed relationship.

An armed robbery exposes a mother’s double life, while Ed gambles with his own safety and a promise he made to his family.

A tragic shooting on a city ferry forces Ed to confront his deepest fears and threatens to tear Team One apart.

The team has to deal with a disturbed man who has just murdered his estranged wife and who has now taken a woman hostage outside of an office building. However, the situation only gets worse when his son arrives on the scene.

When three men take the CEO of a mortgage company hostage, the SRU team is called to the scene to diffuse the situation. Jules recovers from being shot and the team reluctantly looks at recruits to fill her spot

A couple kidnaps the baby they gave up for adoption.

The SRU are called in to resolve a gas station robbery but discover it’s connected to a deadly crisis on a cult compound.

Team One investigates a violent kidnapping in Chinatown where a store owner and his daughter have disappeared. They discover that a ruthless street gang is behind the crime and, in the process, uncover a tragic family secret.