Taggart - Season 22 (2005)

Burke is shot whilst taking a break from work, and on the same day, another fraud squad detective's body is found by a colleague. When both victims' properties are searched, large amounts of cash are found, leading to fears of bribery. With Burke's reputation and life on the line, the race is on to find the perpetrator.

Burke investigates a killing inspired by a 20 year old case. With the help of a forensic psychologist, he tries to solve the case before there are more victims, because it seems the ultimate target may be someone on the investigation team.

Following a poor career appraisal Robbie aims to redeem himself by going undercover at an army base where a young private died in suspicious circumstances. It is a brutal regime, exemplified by the sadistic Sergeant Kent, but there are two further deaths, both of instructors known for their harsh treatment of recruits. The investigation leads to the female Private Lombard, who was the apparent victim of a gang rape by soldiers at the base.

The team investigate the seemingly motiveless murder of a mechanic. Suspicion soon falls on his business partner, Tony Benton, but it turns out that Benton was in fact the intended victim.

The murder of a teenage girl leads the team to travelers working at a nearby fairground.

A killer is at work within a university.