Lincoln Cain has retired.

Now, his life revolves around his daughter, watching as she embarks on her own exciting journey with ASIO, determined to follow in her father's legendary footsteps. Under his vigilant guidance, she quickly gains some notoriety.

But when a ruthless international terrorist descends upon Australia, chaos erupts. A family vanishes without a trace. A truck loaded with dangerous chemicals disappears. The city trembles as these events spiral into a nightmare-culminating in the unthinkable: Michelle, Lincoln's daughter, goes missing.

Without hesitation, Lincoln jumps back into the fray. Driven by desperation and love, he races against time, battling new threats, determined to find his little girl before a deadly virus is unleashed upon the world.