Plot: The return of the documentary following the work of officers from Lincolnshire's Roads Policing Unit and the force's dog section. Barry Peach outsmarts a disqualified driver, handler Jon Peacock takes his new sniffer dog Jack to carry out a drugs warrant, Carl Warrener makes a jaw-dropping discovery when he pulls a car over in the early hours and Brian Conville gets mobbed when he deals with a reckless learner driver