Border Interceptors

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.

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.

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.

An American man loses his passport on his way from central Europe to Ireland, while a Mexican lady claims she's visiting her brother, but has little evidence to back up her story.

The Disney cruise ship arrives in Ireland for the first time, but such a high-profile arrival makes it a target for terrorists and puts the Dublin security team on high alert.