Preston and Shaw investigate a daughter's claims that her father is being robbed by a member of staff at the care home where he is living. However, suspicion soon falls upon the complainant when it transpires that she has been cut out of her father's will, despite being in much need of a financial boost.

Preston and Shaw investigate an armed robbery at an off-licence, and suspect one of the employees may be in cahoots with the prime suspect, until he is provided with a rock solid alibi. But a telephone call made to the store just minutes before the attack calls into question the validity of the alibi, and threatens to blow the case wide open.

Preston and Shaw investigate a woman's claims that her daughter-in-law to be was behind a burglary at their home in which an engagement ring was stolen. A witness statement given by a neighbour threatens to muddy the waters when it transpires that she is in fact the aunt of the accused.

Preston and Shaw investigate when a spate of vandalism against the same victim turns out to relate to drugs being sold at a local school. But as CCTV footage puts the detectives initial prime suspect out of the picture, a bitter rivalry between the victim and a single parent reveals a whole new side to the case.

Preston and Shaw investigate when a former soldier is attacked in his own home and his prized war medals are stolen. Although career criminal Graham Watts is identified as the prime suspect, the detectives are shocked when Graham's son Aaron puts his hands up to the crime - but is he simply trying to have his father from going to jail?

Preston and Shaw investigate when a man accused of assault is discovered to have previously assaulted the same victim some months earlier. But when the accused's daughter makes a shocking confession to the detectives, they suspect her parents are conspiring to prevent her from obtaining a criminal record and losing her place at university.

Preston and Shaw investigate the rivalry between two local swimming teams which has led to an accusation of assault. But when they later discover that the alleged victim's admittance to hospital was the result of an asthma attack, they begin to question whether or not a crime has been committed at all.

Preston and Shaw investigate when a daughter accuses a rogue trader of stealing £2,000 from her elderly mother. Despite a criminal record full of robbery offences, Preston and Shaw are doubtful over the roofer's guilt — and when the victim's son-in-law is revealed to have had a serious gambling addiction, the focus of the investigation soon changes.

Preston and Shaw take on the case of a woman who claims that she was threatened with a knife by a man trying to burgle her house. Career criminal Martin Boyle is identified as the perpetrator, but he denies responsibility for the alleged break in. The situation is further complicated by the victim's boyfriend, who assaulted Boyle prior to his arrest.

Preston and Shaw help a young woman who discovers her identity has been stolen when she goes to apply for a new passport. The detectives face a race against time to catch the offender, but after identifying their prime suspect, they uncover a complex web of lies including theft, fraud and illegal marriage.

Preston and Shaw investigate when a businesswoman's office is trashed. Although they initially struggle to find a motive for the attack, despite interviewing a jealous former business partner and the victim's alcoholic mother, it soon transpires that a former lover, who believes he could be the father of her three-year-old son, may be responsible.

Preston and Shaw investigate when a parking attendant accuses a pregnant woman of mowing him down with her car, and then failing to stop. As the victim comes under pressure from his bosses to drop the charges to prevent an investigation into their suspect methods, the accused puts her ex-boyfriend in the frame for the crime.

Preston and Shaw investigate a dispute between brothers-in-law Nick and Patrick, who also happen to neighbours, when Patrick threatens to kill Nick's wife. Although the charges against him are later dropped, Patrick's dog is later found dead, having been poisoned with lithium, and as a result, a life-long secret between the siblings is revealed.

When a mature student returns from Australia to find her best friend beaten half to death in her flat, the attack raises two questions for Preston and Shaw, as they try to discover why was he in the flat at the time, and how the attack is linked to a messy surrogacy triangle.

Preston and Shaw investigate when an office administrator is assaulted by one of her colleagues following a night out. The victim has awoken to find the word 'Tart' written on her forehead, and when the detectives discover that photo evidence of the assault has gone viral, they try to determine which of her so called-friends is responsible.

When a hit-and-run leaves cyclist Marcus Haigh in an induced coma, Preston and Shaw find themselves on the trail of respected businessman Richard Booth, who claims to have no recollection of being involved in the incident; and has no solid alibi for his whereabouts at the time.

When a campaign of harassment against nurse Alice Dixon culminates in the destruction of her clothes and personal photos, Preston and Shaw uncover a complex web of relationships and a trail of evidence which points the finger at her flatmates: Polly, Jeremy and Adam.

Preston and Shaw take on the case of a woman who claims that her dry cleaner stole a winning lottery ticket from her worth £37,000. But with the victim's husband having recently bought an expensive car, seemingly without being able to identify where the funds came from, it soon turns a seemingly open and shut case into something more complex.

Preston and Shaw investigate an arson attack, and suspect that the landlord of the property, who is the tenant's older brother, may be responsible. However, when it turns out that the tenant's relationship with his lodger is more than just a strong friendship, the lodger's ex-husband soon comes onto the detectives' radar.

Preston and Shaw investigate when a young woman is threatened with a knife in a botched robbery on her home. Suspicion initially falls upon a former school friend of the victim, but when the victim's chequered past and history of self-harming are revealed to the police, the detectives begin to wonder if any crime has been committed at all.