Retirement never came easy for former LAPD detective David Hall. After a prestigious thirty-two-year career, the thought of hanging up his badge felt like a prison sentence. But twelve years later, his old friend and former partner Ernesto Ramos arrives pleading for help and pulls him back into the fray. With new information brought to light on the murder of his nephew and Ramos unable to work the case to its fullest due to his deep cover, David's expertise and credentials are needed to uncover the truth. As David returns to the life he left behind, he quickly realizes that police tactics and criminal elements have both evolved drastically since he last held his detective shield. The rebranded LAPD and the new age criminals have left David unequipped to deal with the task at hand. Now, without a badge and the full support of the department in his corner, David finds himself struggling to adapt. With his resources thinned and owed favors running dry, he's left to navigate the dangerous world on his own. The cases begin to intertwine, as David and Ramos delve deeper they find themselves caught in a dangerous game between a crooked DEA contractor and two rival cartels on the brink of war. Trust is hard to come by and as the body count rises, David finds himself in the crosshairs of political corruption and greed stretching to the farthest corners of the city. And the truth behind the murder case more tragic than anyone could have imagined.