Regan’s flying squad falls under suspicion after they apprehend a gang of hijackers, but a bag with 35,000 pounds in it has somehow disappeared.

Regan clashes with an arrogant police superintendent when a crime kingpin is allowed to leave the country and go to France.

When the Superintendent finds out that there is a bank robbery in progress on a Saturday afternoon, he assigns Regan to visit an old girlfriend whose apartment is adjacent.

While in prison, inmates Titus Oates and Colly Kibber plan a robbery.

Regan gets involved in a secret government deal, thanks to Shebbeq, a Turkish cop.

Regan and Carter are reluctantly teamed up with a Scottish officer.