The squad investigate some odd occurrences at a dockyard.
Bulman infiltrates a gang of villains, but soon finds himself on the run from the police.
A flood of counterfeit Deutschmarks has hit Germany. The team investigates the English connection.
The squad investigate the blackmailing of a businessman.
The Unit attempts to arrest gangster Nick Carmos, but Bulman is wounded and abducted by Carmos and his friend Frank Revell while Willis and Bennett watch.