Corrupt detectives organise an elaborate drug "sting" for their own profit. Meanwhile, senior police fear rampant corruption could lead to a royal commission.

Louis Bayeh vows to avenge the drive-by shooting of his house. Debbie Webb becomes a whistleblower on police corruption, with shocking results. Kim Hollingsworth plans revenge on a police officer who betrayed her trust.

Danny "DK" Karam recruits his own private army to terrorise the Golden Mile. Ruthless newcomer Doc Kanaan stages a bloody coup to seize control of the drug trade from DK. With the corrupt cops banished from the Golden Mile, gang violence spirals out of control.

In the explosive final episode, Doc Kanaan plots to kill John Ibrahim and gain control of the Golden Mile. Joe Dooley and Strike Force Lancer smash DK's Boys and restore order to Kings Cross. Dennis Kelly hires a hitman to clean up his dirty past, as he lobbies for the job of Police Commissioner. Kim risks her life to avenge her unfair dismissal from the police force.