Mac greets Ray as he lands at the station. The team questions a female convict who states the women were considered human goods. She says that if the girls struggle, they become body parts and sold off. Ray looks at the World War II memorial wall. He tells Mac that his father fought in the Korean War. Mac says he joined the military to be just like his father. Ray tells Mac that the women were treated like food for animals. Ray asks if the job of informing the family members of victims is going to get easier, but Mac says it will never get better.

Sheldon discovers a patient who withdrew his name from the organ recipient list. Stella figures the patient got an organ through the black market. Flack enters the hospital and questions Doctor Fuller. Fuller says the liver is in a cooler and he can either arrest him now and let a man die, or let him operate. Flack says he will be waiting.

Later at the station, Doctor Fuller says he pays people to receive organs. He explains he calls a phone number and orders what he needs. He says he doesn't see the people who deliver the organs. Sheldon tells Fuller that a young woman was murdered for his patient. He says they were operated on in trashy hotels. Sheldon reminds him of his Hippocratic oath.

The team figures they should find Casey Steele. Adam says he learned that Casey is using a cell phone that he stole from the person he carjacked. They go to a store and chase Casey down the street. Flack pulls out his gun after he enters an alley. Casey tackles him and climbs up a fire escape. He kicks Sheldon as he chases after him. Casey enters a building through a door and locks it.