Watch Random Breath Test

In Liverpool, police have their hands full when they pull over 32-year-old Yousef. His drug test turns positive for cannabis, but before police can take him back to the station, they have to deal with his two Rottweilers in the back seat.

20-year-old Dae from Byron Bay and his girlfriend Lily are not playing by the rules. They're driving in an unregistered car, and he doesn't even have a licence. Facing a stiff penalty, it's a harsh lesson learned, as they have to leave the car by the side of the road and have a long walk home.

In Sydney's West, 27-year-old Sam is an accident waiting to happen. Seen swerving across the road, Sam admits to being over the limit. But breath tests reveal he is WELL over the limit, after blowing high range. Worse still, this is not the first time he has been caught drink driving.

In Byron Bay, while holidaymakers are out enjoying a great time, it can often mean OVER time for police. As officers are busy trying to keep the roads safe, they spot a ute driving erratically. They suspect the driver might be over the limit, but when they discover he's FIVE times the limit, the police realise they've prevented a potential disaster on the roads.

In Tamworth, police are on the look out for locals who aren't in tune with the law. They pull over 22-year-old Brandon who has a history of drug offences. He tests positive for meth, but what police don't know is that behind his dark shades lies a painful past that might just explain this latest indiscretion.

The quiet country town of Tocumwal is coming alive to the sound of a weekend music festival. It's all about peace, love and a whole lot more. But as punters pour out of town the police drug-testing bus is waiting for them. 21-year-old Ellie just wanted to wash the dust from her face instead she's facing the consequences of what she says is a spiked drink.

19-year-old Lachlan was on a date and thought he could get away with avoiding a Random Breath Testing sight; trouble is, police are one step ahead of him. He's a P-Plater and so has an alcohol limit of zero. He blows over the limit and finds himself arrested. His girlfriend is sobbing and police comfort her making sure she can get home.

Early New year's morning and designated P Plate driver, Tamara, was out celebrating with her mates. Problem is, she's been drinking. Tamar's had a troubled past and she was about to start a brand new life in the city studying for a law degree. With so much at stake, it was a risky decision to drink and drive. And one she may come to regret.

53-year-old Grant thinks he can play the guitar better than Jimmy Hendrix. On his way to a jam session with his lead singer, he's taken a very long and winding road over roundabouts, in and out of lanes, sometimes even stopping in the middle of the road. After two-hour all-car alert police finally track him down in a hotel carpark.

39-year-old Sam is driving his wife and kids home after the office Christmas party. Trouble is, he's overindulged and police find him double-parked illegally outside a bottle shop. To cap it off, standing in the back seat is an unrestrained toddler. Police suspect Sam is heavily affected by alcohol and a breath test confirms their suspicions.