When a modern-day prospector is found dead near a mining site and Lisbon is injured during the initial stages of the investigation, Agent Hightower joins Patrick Jane in the field for the first time.

After a doctor is found dead at a golf course, the CBI team searches for a killer amongst a hospital's staff and patients. Meanwhile, when LaRoche is placed in charge of the CBI, his first act of business is to demote Lisbon, and name Cho the new team leader.