In the wake of Nasa Kalouri's murder, a fracture grows between the two Ibrahim brothers as one spirals into ritual cocaine abuse and the other has their alliances tested.

As Sam finds fraternity in a new chosen family, John is left to repel the advancing threat of Bui Doi as the Vietnamese gang look to take over Kings Cross.

John is in a race against time to save Sam from a contract killer, but the Royal Commission into police corruption leaves John with few allies to trust.

As all the major players of Kings Cross are brought to the witness stand, loyalties are questioned, allies are betrayed, and the Royal Commission changes Kings Cross forever.