Eddie, Donna, Guido and Cameron hold onto their idealism as they begin their shifts at South West 101.

Guido must deal with the pressure he feels between keeping his job and spending time with the woman he loves.

Cameron is torn when her new lover ends up accusing Guido of stealing money while working undercover.

Donna Parry's sunny disposition gets challenged by prejudice and elitism at South West police station.

Guido's dealings during his previous undercover assignments threaten his job at South West police station.

Politics come to the fore as Eddie, Donna and Madeleine investigate a riot at a Sydney detention centre and the escape of a teenage refugee.