Lily tries to be supportive to a mother who has lost her son through aids from an infected tattoo needle but Lily's tattoos cause the mother to shut down. Jordan meets with Dr. Stiles to discuss her past relationship with Tom Crane who's estranged wife has been found dead. Macy and D.A. Wolcott are called to examine the body of Roland Winton, a prisoner who was executed on death row. His parents believe his execution was cruel and want it investigated.
A young girl is seriously burned when a methamphetamine lab explodes. She later dies from her burns but it is then discovered that she had been shot and her actual cause of death is internal bleeding. Her mother blames her boyfriend Connor and vows revenge. Meanwhile, D.A. Wolcott informs the lab that Connor is an informant helping her to try and take down Freddie Paxton.
On a trip home to Kewaunee, Wisconsin a body falls from the undercarriage of a plane and lands beside Woody. It turns out to be the body of his former mentor - Sheriff Cody. He follows the evidence to Los Angeles but finds that he's not the only one that wants to solve the case.
Detective Hoyt investigates a triple homicide involving victims with no connections to each other. A mysterious call from a private investigator sends Jordan delving back into her mother's murder - leading to another chance meeting with her brother.
Jordan investigates her new evidence seeking her mother's killer, leading to an abandoned vehicle trunk with a 23-year-old skeleton who turns out to be a missing cop who disappeared in 1979. Macy bans Jordan from having anything to do with the investigation so she enlists Peter to help her get information on a gun she found in the trunk and which she removed before the investigation started - which he later turns over to the D.A. as the gun is found to belong to Jordan's father Max.