Set in St Kilda, Australia, an elderly woman’s peaceful retirement is interrupted when her husband takes up a bizarre new hobby.

The story of how, from the early 1970s, Australia's eccentric Ian 'Molly' Meldrum became a loved and respected rock music guru as host of the TV show Countdown.

When a group of high-school friends posts an online rumour about a rival, it sparks a chain reaction that leaves no one untouched. Cyberbullying, sexting, filmed fights and police action ensue—will these friends be Tagged forever?