Sam Jones III

The charred remains of a young Jeffersonian intern, the daughter of a highly respected former Jeffersonian scientist, are found in the building's incinerator. With the case hitting so close to home, the team has no choice but to suspect their own colleagues and question everyone from the upper echelons of the Jeffersonian scientists to the victim's fellow interns. When they learn that the intern had been working on artifact authentication for the Widow's Son serial killer case. they begin to wonder if her involvement could have put her life in danger. But when they discover a romantic link between the intern and a Jeffersonian employee, the motives behind her murder become even more complicated. Meanwhile, Booth agrees to pose as Cam's boyfriend and accompanies her on a family get-together, eliciting more attention than he bargained for from Cam's sister.

When the wife of the multi-millionaire is kidnapped, Grissom and Sidel try to find her before it's too late. Willows and Brown examine the case of a young girl who was the victim of a hit and run accident.

On the day Grissom has to evaluate his team, a head is found in the trunk of a car. While Gil and Catherine work on the head, Sara and Nick investigate a body in the desert that's missing its head.

In the series finale, Dr. Carter opens a new medical facility for the underprivileged in Chicago and some old friends from County General all come to show their support.

Clemente (recurring guest star John Leguizamo), Abby and Neela secretly care for a very important patient while Dubenko (recurring guest star Leland Orser) tortures the emergency room staff via a robotic television camera from his home. Sam is coerced into accepting a management role and is given a dreadful task. Meanwhile, Pratt is visited by his half-brother, Chaz (recurring guest star Sam Jones III), and emotions from the past remind Pratt of how his father, Charlie (recurring guest star Danny Glover), abandoned him.