When a young boy blames himself for the death of his friend, Brenda must tread lightly to get to the bottom of the case. Complicating matters is the deceased child's mother, who offers up accusations of her own.

A high-profile shoot-out has left two policemen and a teenage boy dead leads to numerous mysteries spinning around the case. Enter Force Investigation Division bigwig Sharon Raydor, who upends Brenda's investigation with her merciless snooping.

Capt. Raydor (special guest Mary McDonnell) accompanies Brenda on an investigation involving the disappearance of a nanny working for close friends of the mayor. Meanwhile, Raydor’s real purpose in taking part in the investigation could have big career implications for Brenda.

One of Brenda's detectives is ambushed on the street, and the main clue to figuring out the motive behind the attack is a garbage bag containing more than $37,500. The investigation then turns into a race to clear the detective's name over allegations of witness tampering.

Brenda and the squad investigate the owner of a hip-hop record label when one of his rap artists and six innocent bystanders are gunned down. The case hits home for Gabriel who knows two of the victims from church. Meanwhile, Chief Delk is getting ready to announce the department’s new organizational chart just as Brenda becomes the target of a civil suit against the police department.

The death of a high school principal who had been trying to raise test scores at his school to prevent it from being closed causes Brenda and Fritz to fight over who has control of the case because an already existing FBI investigation causes the cases to overlap.

The LAPD's Police Commissioner and his wife, Gail, may be in trouble when Brenda becomes determined to uncover a scandal one of them tried to cover up.