A young confidential informant is sent on a dangerous undercover operation. It's a no-holds-barred look at the vulnerable foot soldiers of the War on Drugs, young criminals who are pressured to work for the police.

The story of how Richard Williams served as a coach to his daughters Venus and Serena, who will soon become two of the most legendary tennis players in history.

Facing an existential threat that could bring down the Crime Lab, a brilliant team of forensic investigators must welcome back old friends and deploy new techniques to preserve and serve justice in Sin City.