Border Security: Australia's Front Line — Season 18

A nervous passenger gets the attention of officers when a vile stench is detected in his luggage. A Chinese couple try to blame their children for bringing a major biosecurity risk.

Officers know a male passenger is lying to them, they just need to work out what he is hiding. A grisly package containing animal parts has Biosecurity officers on edge.

A nervous man alarms officers. Two Brazilian men claim to be best friends but officers suspect it's a cover for illegal activity. A huge amount of prohibited food shocks Biosecurity.

A young designer from LA arrives with a suspicious bag. Biosecurity officers uncover a huge quantity of high-risk items in the luggage of a Chinese student.