A professor from Lewis’ past tips off the BAU to an alarming number of overdose deaths of patients who just completed rehab.
The NCIS team investigates the death of a Navy sailor and goes head-to-head with a ruthless local criminal organization; Lucy looks for a new apartment.
NCIS investigates the apparent suicide of a Navy intelligence officer who leapt to his death after taking LSD. Also, while Kensi is away, Deeks makes plans to redo the backyard without her input.
A bail bondsman hires Magnum and Higgins to track down a woman; T.C. and Katsumoto team up on an emotional search for Cade's mother.