Seasons & episodes

Nate has to break up a fight between two parents at the school. Nate later finds out that one of them has become slandered in a rape case. After he is beaten up CID investigate and are shocked to discover the identity of the real culprit.

Nate and Mel investigate a burglary in a class at the school which leads on to a whole another case.

School pupil Kim Patterson gives Nate some surprising information. Nate discovers that her father was involved in the theft of Becky's computer. Becky tells Nate the reasons why she split up with Kim's father but is everything as straight forward as it seems.

Former Sun Hill PC Diane Noble, now a Sergeant, joins Sun Hill for a night before joining her new post at Barton Street. She and Smithy lead the troops to a rooftop party at a building site, but events take a sinister twist when a boy falls from a ledge whilst high on ecstasy. Tests at hospital reveal they were mis-labelled as ketamine. Backed by Turner and Fletcher, uniform go undercover at a club to snare the dealer, with Taylor keen to impress Noble after getting off on the wrong foot. As Noble prepares to bow out of Sun Hill for one last time, she is called back to St. Hugh's when the overdose victim's father stands on the roof in a bid to commit suicide.

Leon and Roger find Tommy Mackenzie and his wounded father when thay attend a call out.A friend of Tommy's mother fits the description that has been given but their ends up being more to the case than first seems.

Gayle, Armstrong and Smith attend an armed robbery at a toy shop, with the manager shot during the raid, but a pursuit fails to prevent an escape. Carter takes charge of the investigation, and CCTV footage appears to show two known thieves casing the shop the day before. Carter suspects that a woman seen arguing with an employee moments before the robbery was acting as a decoy, but while Brown is convinced of her innocence, the rogue DS is only interested in undermining her opinion.

Brown and the sister of a suspect in an armed robbery investigation are taken captive by armed drug addicts. Carter, convinced he knows who is behind both the robbery and the kidnapping, mounts an observation with Armstrong and Gayle, but their operation is compromised when the kidnap victim's ex-husband arrives at the scene to confront their prime suspect. When Carter discovers his prime suspect is not responsible, he enlists his help to identify two of his employees, the men suspected of the abduction. Fletcher is intrigued to discover the toy shop manager was victim of another armed robbery a few years earlier; is he foolish enough to try it again or is it pure coincidence?

Sun Hill officers investigate an armed robbery at a jewellers and are shocked to discover the true identity of the criminal.

Grace becomes concerned when Stevie completely loses her temper with Barry when questioning him.

Schoolgirl Lily Walmsley goes missing and CCTV footage shows her getting into a car with a man. Rebecca her friend tells the police that she has not been happy recently and that Lily had bruises on her body. The car she is seen getting into ends up just being a mini cab driver. Lily calls her mother in serious trouble and the team try to find her before it is too late.

A restaurant is put under surveillance as it hardly has any customers but its owner Maloud Senac has been putting large deposits into his bank account. An informant tells Stevie that Senac is going to import thirty kilos of cocaine into Britain. When a sting is set up, things don't go to plan. Senac's daughter Salma is kidnapped and when Samantha finds out she wonders why he not told the police.

When Daniel Pfeiffer is questioned he ends up admitting that he and Salma Senac are in a relationship. He insists that is was his brother Gary who was involved in the drug deal with Senac. After Kenny regains consciousness he informs Terry that it was Gary who shot him but it was Daniel who goaded him into doing it. Samantha announces that she has resigned and that today is her last day.

Petal Ford is knocked out just outside a known drugs den. When Leon attends the crime scene a man trying to help her runs off. After Mickey questions her he is not convinced she is telling the truth. The man who was helping her is identified as Ben Meadows, Jack's son, who has just been released from jail. Ben does not want Mickey telling his father after he admits that he is Petal's boyfriend.

Jack thinks that his son has lied to him following the failed drugs bust. After talking to Sennett in hospital though he finds out that Ben actually tried to help the police. Petal calls the police when Linton Barry tries to break her door down. When Jack shows up he finds out that his son is OK but Petal has been taken hostage.

After Smithy tries to break up a fight outside a bar he discovers Andy Brennan has badly beaten up. Sergeant Stone investigates a break in at Oliver Robinson's home where a valuable watch has been stolen. The missing watch is found on Andy who turns out to be Oliver's brother. Everyone seems to be scared of bar owner Jason Devlin.

The team discover just how many enemies Jason had following the fire at the bar. It is revealed that Jason and his father are slum landlords, forgers and drug dealers and that Jason's girlfriend has been seeing somebody else. Jason's father gives his son an alibi after Ali is beaten up. Smithy is determined to see them locked up.

Smithy and Ben come across a lorry shipping Afghan immigrants whilst they are out on patrol. DC Stevie Smith finds out that the translator at the station asked a young girl to lie whilst she is being questioned. Stevie finds out that Jason Devlin is involved in what is going on. There is trouble on the Westgate Estate when a riot breaks out.

Stevie and Jason are in hospital following the riot. Smithy feels bad about attacking Jason and Stone advises him to say nothing about what he has done. Khaled who is going out with Ara is questioned and he admits he is involved in the human trafficking. He informs them that Jason's father is the mastermind behind the operation and the team realise they will have a difficult time finding proo

Callum and Smithy end up in a fight when they attend a training session. Allegations are made against Smithy by Jason Devlin who claims he set him up. Rachel learns from Heaton that he is leaving to set up a specialist unit targeting human trafficking and he asks her to join him on the new team.

Ara Byat calls to say that her niece has disappeared on the morning of the court case. It looks like the Devlin family have kidnapped her to stop Khaled Hasiq from testifying. Smithy takes the stand and has to decide whether to be honest with his answers. Stuart and Kezia decide to leave Sun Hill and join Heaton at the specialist trafficking unit. Jack becomes the station's new superintendent and Smithy is promoted to inspector.

Danny Sissoulu ia discovered by Callum and Ben badly beaten unconscious and his brother Kip and friend Mo covered in blood. When Callum confronts Ollie Readshaw who is acting suspiciously he runs into the road and is struck and killed by a lorry. Neil talks to Ollie's mother and he thinks she is hiding something.

When Danny Sissoulu dies the team now have to deal with a murder enquiry. After Craig Middleton becomes the number one suspect he is brought in for questioning. He insists that he was confronted by the three youths in the park and that they where carrying a knife and continues that he only punched Danny. The officers are stunned by what Mo tells them after she cracks under the pressure.

Macey, Mickey and Banksy question a girl about an alleged rape and find out that the attack actually took place two years. The team watch a video tape and her step father is disgusted when he finds out that he is accused of the crime. Caitlin later calls Mickey and tells him that she remembers who really attacked her with devastating consequences for two families.

Joel Fuller is arrested after attacking a man in a pub. After his wife is questioned she admits that Joel has just found out that she is having an affair with her boss, Dave. When Joel makes his way to Dave's house armed with a gun CO19 troops are brought in to help deal with the situation.