When a woman is found dead in Mexico and a murdered couple is discovered in a driveway, evidence from one investigation could help the other.

A convicted felon claims NCIS framed him for murder a decade ago, so Gibbs investigates and asks Ducky to conduct a new autopsy. Meanwhile, Senior FBI agent Fornell joins the…

Grace takes a bold step to get close to a suspect, Elias the intern makes a crucial discovery, and Marie slips into increasingly reckless behaviour.

Deep in Afghanistan, two Marines with supernatural powers face a threat from one of their own kind.