We reveal the story of Nicola Gobbo's audacious bid to return to Australia.

Everything unravels, for Nicola Gobbo and Victoria Police. Their secret is out.

Nicola hits rock bottom, but Victoria Police wants her to take on a new role ... as a witness.

Nicola wants to be the best source ever, and she leads police to the biggest target of all: the mafia. Her double life is getting riskier, but she can't stop. This episode charts an addiction and a crash.

Nicola crosses the point of no return and becomes a police informer. She'll represent clients, while passing on the underworld's secrets to Victoria Police.

A drug house burglary smells of police corruption and a police informer is executed.

As the gangland war explodes, both police and criminals start questioning Nicola's allegiances. Where do her loyalties lie?

We meet Nicola Gobbo in a secret location, in hiding, now that her double life as a police informer is out, and she begins telling us her full story.

Lawyer Nicola Gobbo represented some of Australia's most dangerous criminals, all the while secretly working as a police informer. Why did she do it?