He was under no illusions about who his companions on this journey were. Shaved heads, neck tattoos, bulging biceps, scars, noses that had been broken too many times - these were hardened men who had committed crimes serious enough to warrant a stay in Long Bay. And he was one of them.

Riley Jax, convicted murderer. Once a promising engineer in the army, he lost everything in a single night when he killed a man - an act he cannot remember.

It’s a devastating gap in an otherwise perfect memory.

Now he’s facing a new life, one behind bars, where he has to learn a whole different set of rules and only the toughest survive.

And as a series of deadly bombings rocks the outside world, the only man who might be able to find the truth behind the conspiracy … is on the inside.