The couple have two children, but Lisa discovers Greg's been keeping secrets. Greg leaves Lisa, but doesn't leave her alone. Lisa starts pushing back on Greg's demands, his behaviour escalates.

If you or anyone you know needs help, please call Lifeline, on 13 11 14.

Or contact Australia's national domestic family and sexual violence counselling service 1800 Respect, on 1800 737 732.

To binge more great episodes of Unravel, the ABC's award winning investigative true crime podcast documentary series, search 'Unravel podcast' on the ABC listen app (Australia) or wherever you get your podcasts.

There you'll find previous series covering various crimes and crime-related topics including solved and unsolved murder cases, forensic analysis, gangland crimes, love scammers, con-artists, drugs, terrorism, neo-nazis, and miscarriages of justice — all investigated by some of Australia's best reporters and people who know the story best.