An Australian girl's arrival on a flight from the UK raises suspicions at Dublin airport, while Passport and Immigration Officers are faced with a family from Ghana.
Dublin Port security handle a foreign truck that is illegally parked and traffic officers pull over a van driver whose day goes from bad to worse as the misdemeanours mount up.
Traffic cops in Dublin pull over a driver suspected of drug offences, while a teenager arrives from France, travelling alone and unable to find those she is meant to be meeting.
Armed police in Cork hunt for illegal immigrants trying to get into Ireland and officers in Dublin deal with a brother and sister from Hong Kong who claim to be visiting a relative.
Officer James O'Hearne has to deal with a passenger who has no passport and no form of identification, while a Chinese lady who has just arrived from Toronto faces being deported.
The work of the men and women who protect Ireland's borders on a daily basis, capturing the frontline work of the numerous agencies at multiple locations around the country.
